Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung cua » truong cua, trung tuan, trung cap
theo chu » theo chieu, cho chu, chao chu
chu tach » chu tich, chu thich, chu thanh
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan tap
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 chu tach - thanh trung cua cong ((cong tan) or (cong san)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tach - thanh trung cua cong ((cong tan) OR (cong san)) ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo chu tach - thanh trung cua cong ((cong tan) or (cong san)) ((toan cao) or (toan ban))*.