Tra cứu hỏi đáp S%EF%BF%BD%EF%BF%BD%EF%BF%BDp%20x%EF%BF%BD%EF%BF%BD%EF%BF%BDp%20l%EF%BF%BD%EF%BF%BD%EF%BF%BDi%20doanh%20nghi%EF%BF%BD%EF%BF%BD%EF%BF%BDp%20do%20nh%EF%BF%BD%EF%BF%BD%20n%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BDc%20n%EF%BF%BD%EF%BF%BD%EF%BF%BDm%20gi%EF%BF%BD%EF%BF%BD%EF%BF%BD%20100%25%20v%EF%BF%BD%EF%BF%BD%EF%BF%BDn%20%EF%BF%BD%EF%BF%BDi%EF%BF%BD%EF%BF%BD%EF%BF%BDu%20l%EF%BF%BD%EF%BF%BD%EF%BF%BD