Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
doanh cua » doanh luan
cong sang » cong san, cong vang, cong bang
cong lang » cong vang, cong luong, cong quang
than cau » toan cau, phan cau, than cap
ban cua » ban quan

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 - canh ((doanh cua) or (ban cua)) tong ((cong sang) OR (cong lang)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((doanh cua) OR (ban cua)) tong ((cong sang) OR (cong lang)) than cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - canh ((doanh cua) or (ban cua)) tong ((cong sang) OR (cong lang)) than cau*".