Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
cong ngang » cong nhan, cong quang, cong lang
mot chieu » doi chieu, ho chieu
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
cong san » cong tac
tuan cau » toan cau, quan cau, tuan cu

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

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