V\u00e0 r\u1ea5t nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\nV\u00e0 nh\u1eefng d\u01b0\u1ee1ng ch\u1ea5t tuy\u1ec7t v\u1eddi \u0111\u1ea5y s\u1ebd \u0111em l\u1ea1i cho ng\u01b0\u1eddi d\u00f9ng nh\u1eefng t\u00e1c d\u1ee5ng sau:<\/p>\n