Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
san thanh » ban thanh, van thanh, son thanh
thanh cap » thanh lap, hanh cap, than cap
thi hieu » thi chieu, thi hien, thi dieu
trang va » hang va
tran van » luan van
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (thi hieu)) xanh - hanh ((trang va) or (tran van)) nhung cong san thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (thi hieu)) xanh - hanh ((trang va) OR (tran van)) nhung cong san thanh cap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (thi hieu)) xanh - hanh ((trang va) or (tran van)) nhung cong san thanh cap*.