Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
dung cong » dung trong
gian lang » gian dan
giang van » hoang van, dang van, gian dan
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, cong tan, huong dan

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 - canh doanh cua dung cong dan ((gian lang) OR (giang van))~.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh doanh cua dung cong dan ((gian lang) or (giang van))*.