Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
hang tai » dung tai

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)) tinh - canh tranh van dung cong dan ((hang tai) or (hang va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) tinh - canh tranh van dung cong dan ((hang tai) OR (hang va)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) tinh - canh tranh van dung cong dan ((hang tai) or (hang va))*.