Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
dung cua » dung luan, dung cho
cong tac » cong ty
toan ban » van 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 - thanh dung cua nhung ((cong thanh) or (cong tac)) ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh dung cua nhung ((cong thanh) OR (cong tac)) ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh dung cua nhung ((cong thanh) or (cong tac)) ((toan tap) or (toan ban))*.