Perhaps you should try some spelling variations:
chieu tach » chiet tach, chieu sach, chiu trach
doi chieu » doc hieu, doi chi, mot chieu
quan tren » quan trong, quang tran, quan tri
quang cua » quan cua, quang tuan, quang huy
hung cong » nhung cong, hung cuong, phung cong
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 tach - anh ((quan tren) or (quang cua)) hung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tach - anh ((quan tren) OR (quang cua)) hung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu tach - anh ((quan tren) or (quang cua)) hung cong tac toan cau*.