Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
anh bang » anh hoang, anh quang, tinh bang
cua hang » cua dang, cua nhung, cua ban
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: theo ((hieu lang) or (nhieu tang)) - anh bang ((cua hang) or (cua cong)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (nhieu tang)) - anh bang ((cua hang) OR (cua cong)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (nhieu tang)) - anh bang ((cua hang) or (cua cong)) cong tac toan cau*.