Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu
thi chieu » thi chien, thi hieu, thi hien
tranh qua » tranh cua, thanh qua, trinh qua
dung cong » dung trong
ho chieu » hoc thieu, doi chieu, mot chieu
qua dung » quang dung, su dung, qua song
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran cau

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 (thi chieu))) or (ho chieu)) tinh - canh tranh qua dung cong tac tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((theo chieu) OR (thi chieu))) OR (ho chieu)) tinh - canh tranh qua dung cong tac tran cau.
• Adding a wildcard symbol may retrieve word variants: ((((theo chieu) or (thi chieu))) or (ho chieu)) tinh - canh tranh qua dung cong tac tran cau*.