Perhaps you should try some spelling variations:
van nhuong » van chuong, van phuong, van huong
mot chieu » ho chieu
doi chieu » doc hieu, doi chi, ho chieu
van nhung » va nhung, van hung, van phung
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chieu)) xanh - canh tranh ((van nhung) or (van nhuong)) cong tac phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chieu)) xanh - canh tranh ((van nhung) OR (van nhuong)) cong tac phan cau.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chieu)) xanh - canh tranh ((van nhung) or (van nhuong)) cong tac phan cau*.