Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
ho chieu » hoc thieu, doi chieu, mot chieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan dau » phan tu, hang dau

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

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