Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tang » trung thang, trong tang, trung thanh
tang duong » tang cuong, tang dong, tuong duong
theo chau » theo chu, theo chieu, theo phap
chau tinh » cuu tinh, ha tinh, cua tinh
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chau tinh - thanh trung tang duong ((cong tan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chau tinh - thanh trung tang duong ((cong tan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chau tinh - thanh trung tang duong ((cong tan) or (cong san)) toan ban*.