Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, ho chieu, mot chieu
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
cong tac » cong ty
doi chi » doi khi
han tu » hanh tu, ban tu, van tu

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 (doi chi)) xanh - canh tranh van nhung cong tac ((han tu) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) xanh - canh tranh van nhung cong tac ((han tu) OR (phan tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doi chi)) xanh - canh tranh van nhung cong tac ((han tu) or (phan tu))".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doi chi)) xanh - canh tranh van nhung cong tac ((han tu) or (phan tu))*.