Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
lanh doanh » hanh doanh, doanh doanh, kinh doanh
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
cong cong » cong dong, trong cong, dung cong
van thang » van thanh, van khang, van hang
dan than » dan chan, ban than, van than

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 sach - lanh doanh cua cong cong ((dan than) OR (van thang)) ban~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - lanh doanh cua cong cong ((dan than) or (van thang)) ban*.