Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu, ho chieu
canh tran » canh tranh, hanh trang, banh trang
van nhung » van nhuong, va nhung, van hung
tran van » luan van
cong san » cong tac
chan cau » can cau, chinh cau, nhanh cau
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 (theo chieu)) xanh - canh tran van nhung cong san ((chan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) xanh - canh tran van nhung cong san ((chan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) xanh - canh tran van nhung cong san ((chan cau) or (phan cau))*.