Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
ho chieu » hoc thieu, doi chieu, mot chieu
tam dang » nam dang, tam dan, tran dang
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: ((ho chieu) or (theo chieu)) tinh - thanh trung tam dang ((cong tan) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - thanh trung tam dang ((cong tan) OR (cong san)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) tinh - thanh trung tam dang ((cong tan) or (cong san)) toan ban*.