Perhaps you should try some spelling variations:
thanh tung » thanh cong
tran trong » gian trong, quan trong, tran hong
tieu tinh » trieu tinh, tieu trinh, lieu tinh
tung tran » trung tran, hung tran, huong tran
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
phan cau » phan dau, phan cac, phan tu
hang dau » hang va, hang tai

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - thanh tung tran trong ((cong dan) OR (cong tac)) ((phan cau) OR (hang dau))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - thanh tung tran trong ((cong dan) or (cong tac)) ((phan cau) or (hang dau))*.