Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
hieu lang » chieu sang, hieu quang, nhieu tang
hang cong » dang cong, hang nong, bang cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
cong va » dong va, cong ha, luong va
va hang » van hang, va nang, va lang

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((hieu manh) OR (hieu lang))) OR (chieu tinh)) - thanh cong va hang cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: doi ((((hieu manh) or (hieu lang))) or (chieu tinh)) - thanh cong va hang cong tac toan cau*.