Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » manh cua
doanh cua » doanh luan
cong sang » cong lang, cong vang, cong bang
cong san » cong tac
toan tap » toan ban

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 ((tranh cua) or (doanh cua)) dung ((cong san) or (cong sang)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((tranh cua) OR (doanh cua)) dung ((cong san) OR (cong sang)) toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((tranh cua) or (doanh cua)) dung ((cong san) or (cong sang)) toan tap*.