Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
bien tinh » bi tinh, yen tinh, diep tinh
trung va » truong va, trang va, trung tam
trung ha » trung hoc, trung tam, trung cap
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac
ho bien » pho bien, hoa bien, so bien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho bien tinh - manh ((trung va) or (trung ha)) nhung cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - manh ((trung va) OR (trung ha)) nhung cong tan than cap.
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - manh ((trung va) or (trung ha)) nhung cong tan than cap*.