Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hoan quang » doan quang, doanh quang, hoach quang
hieu lang » chieu sang, hieu quang, nhieu tang
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
nhan cach » phan cac
doc hieu » toc thieu, hoc thieu, hoc hien
van nhan » van phan, van thanh, danh nhan

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 lang - doanh hoan quang ((hang cong) or (dang cong)) van nhan cach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu lang - doanh hoan quang ((hang cong) OR (dang cong)) van nhan cach.
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - doanh hoan quang ((hang cong) or (dang cong)) van nhan cach*.