Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
cua nhung » va nhung
cua dang » cua cong, cua ban
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
ho hieu » ho chieu, hoi hieu, nho hieu

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: ho hieu lang - hanh doanh ((cua dang) OR (cua nhung)) cong ((dan toan) OR (van toan)) cau~.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh doanh ((cua dang) or (cua nhung)) cong ((dan toan) or (van toan)) cau*.