Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
thi hieu » thi chieu, thi hien, thi dieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 (thi hieu)) xanh - ((hanh trinh) or (canh tranh)) quan dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (thi hieu)) xanh - ((hanh trinh) OR (canh tranh)) quan dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (thi hieu)) xanh - ((hanh trinh) or (canh tranh)) quan dung cong tac toan cau*.