Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, mot chieu
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
doan phan » doanh phan, toan phan, doanh nhan
ho chieu » theo chieu, hoc thieu, mot chieu
dan phan » dan chan, van phan, dam phan

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

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