Perhaps you should try some spelling variations:
chong cong » cong cong, thong cong, cuong cong
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu sang » chieu sang, hieu lang, hieu quang
doanh cua » doanh luan
cua chong » cua cong, cua chung, cua khong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
phan cau » phan dau, phan cac, phan lap
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sang - hanh doanh cua chong cong tac ((phan cau) or (((hang dau) or (phan tu))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sang - hanh doanh cua chong cong tac ((phan cau) OR (((hang dau) OR (phan tu)))).
• Adding a wildcard symbol may retrieve word variants: doc hieu sang - hanh doanh cua chong cong tac ((phan cau) or (((hang dau) or (phan tu))))*.