Từ khóa: T%EF%BF%BD%EF%BF%BD%20v%EF%BF%BD%EF%BF%BD%EF%BF%BDn%20ph%EF%BF%BD%EF%BF%BDp%20lu%EF%BF%BD%EF%BF%BD%EF%BF%BDt%20X%EF%BF%BD%EF%BF%BDy%20d%EF%BF%BD%EF%BF%BD%EF%BF%BDng