Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
doi chieu » doc hieu, doi chi, ho chieu
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
cong bang » cuong bang, dong bang, hong bang
bang than » bang thanh, ban than, sang than
van dung » van dong, xay dung, tin dung
than cau » toan cau, phan cau, than cap

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 (doi chieu)) xanh - canh tranh van dung cong bang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) xanh - canh tranh van dung cong bang than cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) xanh - canh tranh van dung cong bang than cau*.