Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
cong danh » cuong danh, cong dan, cong thanh
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban, toan tap

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 tung cua nhung ((cong tan) or (cong danh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tung cua nhung ((cong tan) OR (cong danh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tung cua nhung ((cong tan) or (cong danh)) toan cao*.