Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
tuan trong » thuan trong, quan trong, tran trong
doi chieu » doc hieu, doi chi, ho chieu
cong dan » cong san, cong tan, huong dan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - ((thanh tran) or (thanh san)) tuan trong cong dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((thanh tran) OR (thanh san)) tuan trong cong dan khan cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((thanh tran) or (thanh san)) tuan trong cong dan khan cap*.