{"id":5336,"date":"2021-10-28T22:28:13","date_gmt":"2021-10-28T15:28:13","guid":{"rendered":"https:\/\/tino.org\/?p=5336"},"modified":"2025-06-11T15:32:36","modified_gmt":"2025-06-11T08:32:36","slug":"tim-hieu-chan-dung-khach-hang","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/tim-hieu-chan-dung-khach-hang\/","title":{"rendered":"T\u00ecm hi\u1ec3u ch\u00e2n dung kh\u00e1ch h\u00e0ng? Ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft l\u1eadp ch\u00e2n dung kh\u00e1ch h\u00e0ng hi\u1ec7u qu\u1ea3"},"content":{"rendered":"\n

Kh\u00e1ch h\u00e0ng \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 nh\u1eefng \u201cm\u1ea3nh gh\u00e9p\u201d gi\u00fap doanh nghi\u1ec7p t\u1ea1o ra \u201cb\u1ee9c tranh\u201d Marketing<\/a> ho\u00e0n h\u1ea3o. Tuy nhi\u00ean, nh\u1eefng m\u1ea3nh gh\u00e9p \u1ea5y c\u00f3 \u201cmu\u00f4n h\u00ecnh v\u1ea1n tr\u1ea1ng\u201d v\u00e0 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng ph\u00f9 h\u1ee3p v\u1edbi doanh nghi\u1ec7p b\u1ea1n. V\u00ec v\u1eady, c\u00e1c chuy\u00ean gia Marketing c\u1ea7n d\u00e0nh th\u1eddi gian t\u00ecm hi\u1ec3u ch\u00e2n dung kh\u00e1ch h\u00e0ng \u0111\u1ec3 tr\u00e1nh hao t\u1ed5n chi ph\u00ed ti\u1ebfp th\u1ecb v\u00e0 ngu\u1ed3n nh\u00e2n l\u1ef1c c\u1ee7a m\u00ecnh.<\/strong> <\/p>\n\n\n\n

<\/a>T\u00ecm hi\u1ec3u ch\u00e2n dung kh\u00e1ch h\u00e0ng<\/strong><\/h2>\n\n\n\n

<\/a>Ch\u00e2n dung kh\u00e1ch h\u00e0ng l\u00e0 g\u00ec?<\/strong><\/h3>\n\n\n\n

Ch\u00e2n dung kh\u00e1ch h\u00e0ng \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 m\u1ed9t h\u1ed3 s\u01a1 chi ti\u1ebft v\u00e0 ho\u00e0n thi\u1ec7n v\u1ec1 kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng<\/a> c\u1ee7a doanh nghi\u1ec7p. Ch\u00fang c\u00f3 t\u00e1c d\u1ee5ng gi\u1ea3 \u0111\u1ecbnh v\u00e0 ph\u00e2n lo\u1ea1i kh\u00e1ch h\u00e0ng theo nh\u00f3m c\u1ee5 th\u1ec3. Kh\u00e1c v\u1edbi ng\u01b0\u1eddi mua h\u00e0ng t\u1ef1 nhi\u00ean (Average Buyer<\/strong>), ch\u00e2n dung kh\u00e1ch h\u00e0ng t\u1eadp trung v\u00e0o m\u1ed9t ng\u01b0\u1eddi v\u00e0 \u201cph\u00e1c h\u1ecda\u201d m\u1ecdi th\u1ee9 v\u1ec1 h\u1ecd. <\/p>\n\n\n\n

\"tim-hieu-chan-dung-khach-hang\"<\/figure><\/div>\n\n\n\n

\n Ch\u00e2n dung kh\u00e1ch h\u00e0ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 marketers d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau ti\u1ebfp th\u1ecb c\u1ee7a m\u00ecnh. C\u00f3 th\u1ec3 n\u00f3i, ch\u00e2n dung kh\u00e1ch h\u00e0ng ch\u00ednh l\u00e0 \u201ckim ch\u1ec9 nam\u201d d\u1eabn \u0111\u01b0\u1eddng cho c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ti\u1ebfp th\u1ecb c\u1ee7a m\u1ed9t doanh nghi\u1ec7p.\n<\/p>\n\n\n\n

<\/a>Ch\u00e2n dung kh\u00e1ch h\u00e0ng c\u00f3 nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0o?<\/strong><\/h3>\n\n\n\n

\n \u0110\u1ec3 t\u1ea1o n\u00ean m\u1ed9t b\u1ee9c tranh ho\u00e0n h\u1ea3o, h\u1ecda s\u0129 ph\u1ea3i c\u1ea7n \u0111\u1ebfn nh\u1eefng nh\u00e2n t\u1ed1 b\u1ed5 tr\u1ee3 nh\u01b0: gi\u1ea5y v\u1ebd, m\u00e0u n\u01b0\u1edbc, b\u00fat ch\u00ec,… Ch\u00e2n dung kh\u00e1ch h\u00e0ng \u0111\u01b0\u1ee3c t\u1ea1o n\u00ean b\u1edfi 6 th\u00e0nh ph\u1ea7n ch\u00ednh, bao g\u1ed3m: th\u1eed th\u00e1ch v\u00e0 m\u1ee5c ti\u00eau; th\u00f4ng tin c\u00e1 nh\u00e2n; chuy\u00ean m\u00f4n; ph\u01b0\u01a1ng th\u1ee9c ti\u1ebfp c\u1eadn th\u00f4ng tin; l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean v\u00e0 y\u1ebfu t\u1ed1 \u201cngo\u1ea1i vi\u201d.\n<\/p>\n\n\n\n

<\/a>Th\u1eed th\u00e1ch v\u00e0 m\u1ee5c ti\u00eau<\/strong><\/h4>\n\n\n\n

\n Th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean nh\u1eefng kh\u00f3 kh\u0103n m\u00e0 kh\u00e1ch h\u00e0ng g\u1eb7p ph\u1ea3i, m\u1ee5c ti\u00eau c\u1ee7a kh\u00e1ch h\u00e0ng trong c\u00f4ng vi\u1ec7c v\u00e0 cu\u1ed9c s\u1ed1ng, m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean v\u00e0 ph\u00e1t tri\u1ec3n b\u1ea3n th\u00e2n,…\n<\/p>\n\n\n\n

<\/a>Th\u00f4ng tin c\u00e1 nh\u00e2n<\/strong><\/h4>\n\n\n\n

\n \u0110\u1ed1i v\u1edbi th\u00f4ng tin c\u00e1 nh\u00e2n, doanh nghi\u1ec7p c\u1ea7n x\u00e1c \u0111\u1ecbnh \u201ct\u1ea5t t\u1ea7n t\u1eadt\u201d nh\u1eefng th\u00f4ng tin v\u1ec1 nh\u00e2n kh\u1ea9u h\u1ecdc c\u1ee7a kh\u00e1ch h\u00e0ng nh\u01b0: t\u00ean, tu\u1ed5i, gi\u1edbi t\u00ednh, t\u00ecnh tr\u1ea1ng h\u00f4n nh\u00e2n, thu nh\u1eadp,…\n<\/p>\n\n\n\n

\"tim-hieu-chan-dung-khach-hang\"<\/figure><\/div>\n\n\n\n

<\/a>Chuy\u00ean m\u00f4n<\/strong><\/h4>\n\n\n\n

\n Chuy\u00ean m\u00f4n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua l\u0129nh v\u1ef1c, c\u00f4ng ty, ch\u1ee9c v\u1ee5, ng\u00e0nh ngh\u1ec1, k\u1ef9 n\u0103ng, v\u1ecb tr\u00ed,…, m\u00e0 kh\u00e1ch h\u00e0ng \u0111\u1ea3m nhi\u1ec7m.\n<\/p>\n\n\n\n

<\/a>Ph\u01b0\u01a1ng th\u1ee9c ti\u1ebfp c\u1eadn th\u00f4ng tin<\/strong><\/h4>\n\n\n\n

\n Trong b\u1ed1i c\u1ea3nh c\u00f4ng ngh\u1ec7 s\u1ed1, ng\u01b0\u1eddi d\u00f9ng c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e1ch th\u1ee9c ti\u1ebfp c\u1eadn th\u00f4ng tin nh\u01b0: m\u1ea1ng x\u00e3 h\u1ed9i, internet, s\u00e1ch b\u00e1o, truy\u1ec1n h\u00ecnh,… V\u00ec v\u1eady, khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea7n n\u00e0y, doanh nghi\u1ec7p s\u1ebd ch\u1ecdn \u0111\u00fang n\u01a1i \u0111\u1ec3 th\u1ef1c hi\u1ec7n qu\u1ea3ng c\u00e1o.\n<\/p>\n\n\n\n

<\/a>L\u1ef1a ch\u1ecdn \u01b0u ti\u00ean<\/strong><\/h4>\n\n\n\n

\n Th\u00f4ng th\u01b0\u1eddng, kh\u00e1ch h\u00e0ng s\u1ebd d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 ti\u00eau ch\u00ed nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 ch\u1ecdn l\u1ef1a s\u1ea3n ph\u1ea9m. \u0110\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec1u kh\u00e1ch h\u00e0ng tr\u00e2n tr\u1ecdng, \u01b0a chu\u1ed9ng v\u00e0 khi\u1ebfn h\u1ecd c\u00e2n nh\u1eafc khi \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh.\n<\/p>\n\n\n\n

<\/a>Y\u1ebfu t\u1ed1 \u201cngo\u1ea1i vi\u201d<\/strong><\/h4>\n\n\n\n

\n \u0110\u00e2y l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 ph\u00e1t sinh t\u1eeb c\u00e1c t\u00e1c \u0111\u1ed9ng b\u00ean ngo\u00e0i, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn quy\u1ebft \u0111\u1ecbnh ti\u00eau d\u00f9ng c\u1ee7a kh\u00e1ch h\u00e0ng, nh\u01b0: \u00fd ki\u1ebfn t\u1eeb ng\u01b0\u1eddi th\u00e2n\/b\u1ea1n b\u00e8, c\u00e1c d\u1ecbch v\u1ee5 c\u1ee7a doanh nghi\u1ec7p, \u0111\u1ed9 n\u1ed5i ti\u1ebfng c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u, phong c\u00e1ch ph\u1ee5c v\u1ee5,…\n<\/p>\n\n\n\n

<\/a>3 l\u00fd do doanh nghi\u1ec7p n\u00ean thi\u1ebft l\u1eadp ch\u00e2n dung kh\u00e1ch h\u00e0ng<\/strong><\/h2>\n\n\n\n

\n Kh\u00f4ng ph\u1ea3i ng\u1eabu nhi\u00ean m\u00e0 ch\u00e2n dung kh\u00e1ch h\u00e0ng l\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c chi\u1ebfn l\u01b0\u1ee3c ti\u1ebfp th\u1ecb. Harvard Business Review<\/strong> – t\u1ea1p ch\u00ed nguy\u1ec7t san n\u1ed5i ti\u1ebfng trong l\u0129nh v\u1ef1c kinh doanh \u0111\u00e3 kh\u00f4ng ng\u1eebng ca ng\u1ee3i ch\u00e2n dung kh\u00e1ch h\u00e0ng nh\u01b0 \u201cv\u0169 kh\u00ed b\u00ed m\u1eadt\u201d c\u1ee7a m\u1ed9t th\u01b0\u01a1ng hi\u1ec7u, b\u1edfi nh\u1eefng l\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a ch\u00fang.\n<\/p>\n\n\n\n

\"tim-hieu-chan-dung-khach-hang\"<\/figure><\/div>\n\n\n\n

<\/a>X\u00e1c \u0111\u1ecbnh \u0111\u00fang kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng<\/strong><\/h3>\n\n\n\n

\n C\u00e2u n\u00f3i \u201cEveryone is not your customer<\/strong>\u201d (t\u1ea1m d\u1ecbch: Kh\u00f4ng ph\u1ea3i ai c\u0169ng l\u00e0 kh\u00e1ch h\u00e0ng c\u1ee7a b\u1ea1n<\/em>) cho th\u1ea5y vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u00fang kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi doanh nghi\u1ec7p.\n<\/p>\n\n\n\n

\n Th\u00f4ng qua ch\u00e2n dung kh\u00e1ch h\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng hi\u1ec7u qu\u1ea3 h\u01a1n. H\u1ecd l\u00e0 nh\u1eefng ng\u01b0\u1eddi nh\u1eadn \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb t\u1eeb s\u1ea3n ph\u1ea9m v\u00e0 s\u1eb5n s\u00e0ng t\u1eb7ng b\u1ea1n \u201ct\u1ea5m v\u00e9\u201d h\u00e0i l\u00f2ng. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u0103ng t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i, th\u00fac \u0111\u1ea9y l\u1ee3i nhu\u1eadn cho doanh nghi\u1ec7p.\n<\/p>\n\n\n\n

<\/a>Gi\u1ea3m chi ph\u00ed s\u1edf h\u1eefu kh\u00e1ch h\u00e0ng (Customer Acquisition Cost – CAC)<\/strong><\/h3>\n\n\n\n

\n Chi ph\u00ed s\u1edf h\u1eefu kh\u00e1ch h\u00e0ng l\u00e0 s\u1ed1 ti\u1ec1n doanh nghi\u1ec7p b\u1ecf ra \u0111\u1ec3 thuy\u1ebft ph\u1ee5c m\u1ed9t kh\u00e1ch h\u00e0ng mua s\u1ea3n ph\u1ea9m\/d\u1ecbch v\u1ee5 c\u1ee7a m\u00ecnh. Tuy nhi\u00ean, khi thi\u1ebft l\u1eadp ch\u00e2n dung kh\u00e1ch h\u00e0ng, doanh nghi\u1ec7p s\u1ebd ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c kho\u1ea3n chi ph\u00ed n\u00e0y.\n<\/p>\n\n\n\n

\n Ch\u00e2n dung kh\u00e1ch h\u00e0ng cho ph\u00e9p doanh nghi\u1ec7p x\u00e1c \u0111\u1ecbnh \u0111\u00fang m\u1ee5c ti\u00eau, \u0111\u1ed1i t\u01b0\u1ee3ng v\u00e0 th\u1eddi \u0111i\u1ec3m ti\u1ebfp th\u1ecb. Nh\u00ecn chung, ch\u00e2n dung kh\u00e1ch h\u00e0ng c\u00e0ng c\u1ee5 th\u1ec3, b\u1ea1n ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 t\u0103ng \u0111\u1ed9 th\u00e0nh c\u00f4ng cho chi\u1ebfn d\u1ecbch c\u1ee7a m\u00ecnh.\n<\/p>\n\n\n\n

<\/a>\u0110\u1ea3m b\u1ea3o s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng<\/strong><\/h3>\n\n\n\n

\n Ch\u00e2n dung kh\u00e1ch h\u00e0ng kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n tho\u00e1t ki\u1ebfp \u201cm\u00f2 kim \u0111\u00e1y b\u1ec3\u201d m\u00e0 c\u00f2n n\u00e2ng cao s\u1ef1 h\u00e0i l\u00f2ng v\u00e0 t\u00edn nhi\u1ec7m c\u1ee7a kh\u00e1ch h\u00e0ng d\u00e0nh cho doanh nghi\u1ec7p. X\u00e1c \u0111\u1ecbnh \u0111\u00fang kh\u00e1ch h\u00e0ng l\u00e0 \u201cchi\u1ebfc ch\u00eca kh\u00f3a\u201d gi\u00fap b\u1ea1n ph\u1ee5c v\u1ee5 h\u1ecd t\u1ed1t h\u01a1n.\n<\/p>\n\n\n\n

\"tim-hieu-chan-dung-khach-hang\"<\/figure><\/div>\n\n\n\n

\n Th\u00f4ng qua \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 thu\u1ed9c t\u00ednh c\u1ee7a kh\u00e1ch h\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng tr\u1ea3i nghi\u1ec7m h\u1ea5p d\u1eabn h\u1ecd. Ngo\u00e0i ra, ch\u00e2n dung kh\u00e1ch h\u00e0ng c\u00f2n gi\u00fap b\u1ea1n d\u1ef1 \u0111o\u00e1n c\u00e1c v\u1ea5n \u0111\u1ec1 tr\u01b0\u1edbc khi ch\u00fang ph\u00e1t sinh v\u00e0 \u0111\u1ec1 xu\u1ea5t ph\u01b0\u01a1ng \u00e1n gi\u1ea3i quy\u1ebft t\u1ed1t h\u01a1n.\n<\/p>\n\n\n\n

<\/a>3 b\u01b0\u1edbc thi\u1ebft l\u1eadp ch\u00e2n dung kh\u00e1ch h\u00e0ng<\/strong><\/h2>\n\n\n\n

\n Ch\u00e2n dung kh\u00e1ch h\u00e0ng ch\u1ec9 ch\u00ednh x\u00e1c khi \u0111\u01b0\u1ee3c \u201cph\u00e1c h\u1ecda\u201d b\u1edfi th\u00f4ng tin, d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1ef1a v\u00e0o nh\u1eefng ph\u1ecfng \u0111o\u00e1n h\u1eddi h\u1ee3t. \u0110\u1ec3 t\u1ea1o ra m\u1ed9t ch\u00e2n dung kh\u00e1ch h\u00e0ng ho\u00e0n thi\u1ec7n, b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 nhu c\u1ea7u, h\u00e0nh vi, s\u1edf th\u00edch mua s\u1eafm,…, c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 5 b\u01b0\u1edbc gi\u00fap b\u1ea1n thi\u1ebft l\u1eadp ch\u00e2n dung kh\u00e1ch h\u00e0ng chu\u1ea9n x\u00e1c.\n<\/p>\n\n\n\n

<\/a>B\u01b0\u1edbc 1: Ph\u00e2n v\u00f9ng kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng<\/strong><\/h3>\n\n\n\n

Tr\u01b0\u1edbc ti\u00ean, doanh nghi\u1ec7p c\u1ea7n t\u00ecm v\u00e0 ph\u00e2n t\u00edch nh\u1eefng kh\u00e1ch h\u00e0ng \u0111\u00e3 t\u1ecf ra h\u00e0i l\u00f2ng<\/a> khi s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5\/s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh. Th\u00f4ng qua danh m\u1ee5c kh\u00e1ch h\u00e0ng hi\u1ec7n t\u1ea1i, b\u1ea1n h\u00e3y li\u1ec7t k\u00ea t\u1eeb 5 – 10 kh\u00e1ch h\u00e0ng \u0111ang nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1ee3i \u00edch nh\u1ea5t t\u1eeb s\u1ea3n ph\u1ea9m\/d\u1ecbch v\u1ee5. \u0110\u00f3 ch\u00ednh l\u00e0 nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 chinh ph\u1ee5c \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau khi h\u1ee3p t\u00e1c v\u1edbi doanh nghi\u1ec7p b\u1ea1n. <\/p>\n\n\n\n

\"tim-hieu-chan-dung-khach-hang\"<\/figure><\/div>\n\n\n\n

\n N\u1ebfu doanh nghi\u1ec7p b\u1ea1n v\u1eeba th\u00e0nh l\u1eadp, ch\u01b0a c\u00f3 c\u01a1 h\u1ed9i h\u1ee3p t\u00e1c v\u1edbi nhi\u1ec1u kh\u00e1ch h\u00e0ng, h\u00e3y ngh\u0129 \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng c\u00f3 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng t\u1ed1i \u0111a s\u1ea3n ph\u1ea9m\/d\u1ecbch v\u1ee5 c\u1ee7a b\u1ea1n. V\u00ed d\u1ee5: B\u1ea1n \u0111ang kinh doanh b\u00e0n l\u00e0m vi\u1ec7c, v\u1eady m\u1ed9t trong nh\u00f3m kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng c\u1ee7a b\u1ea1n ch\u00ednh l\u00e0 nh\u00e2n vi\u00ean v\u0103n ph\u00f2ng.\n<\/p>\n\n\n\n

<\/a>B\u01b0\u1edbc 2: T\u1ed5ng h\u1ee3p c\u00e1c thu\u1ed9c t\u00ednh n\u1ed5i b\u1eadt c\u1ee7a kh\u00e1ch h\u00e0ng<\/strong><\/h3>\n\n\n\n

\n Sau khi s\u1edf h\u1eefu danh s\u00e1ch c\u00e1c kh\u00e1ch h\u00e0ng ti\u1ec1m n\u0103ng, b\u1ea1n c\u1ea7n li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 c\u00e1c thu\u1ed9c t\u00ednh n\u1ed5i b\u1eadt c\u1ee7a h\u1ecd. Ch\u00fang c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn nh\u1eefng y\u1ebfu t\u1ed1 sau:\n<\/p>\n\n\n\n

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