Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
theo chieu » theo tieu, ho chieu, theo chu
doi chieu » doc hieu, doi chi, ho chieu
va phuong » va thuong, cac phuong
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
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: ((doi chieu) or (theo chieu)) xanh - canh tranh va phuong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chieu)) xanh - canh tranh va phuong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chieu)) xanh - canh tranh va phuong cong dan than cau*.