Perhaps you should try some spelling variations:
cong doanh » cong danh, cong doan, dong doanh
chieu tinh » trieu tinh, lieu tinh, chau tinh
doanh phan » doanh nhan, doan phan, doanh thanh
doi chieu » doc hieu, doi chi, mot chieu
trinh han » trinh quan
dang cong » dung cong
phan dau » phan tu, hang dau

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 chieu tinh - hanh ((dinh van) OR (trinh han)) dang cong doanh phan dau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - hanh ((dinh van) or (trinh han)) dang cong doanh phan dau*.