Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu lang » chieu sang, hieu quang, nhieu tang
ganh hang » gan hang, ganh nang, tranh hang
luan hung » luan chung, luan ung, tuan hung
lan hung » van hung, luan chung, lan phuong
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 tinh) or (hieu lang)) - ganh hang ((luan hung) or (lan hung)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu tinh) OR (hieu lang)) - ganh hang ((luan hung) OR (lan hung)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu tinh) or (hieu lang)) - ganh hang ((luan hung) or (lan hung)) cong tac toan cau*.