Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
chang cong » hang cong, chong cong, thanh cong
doi chieu » doc hieu, doi chi, ho chieu
ca chang » ca chung, co chang, san chang
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban
tung ca » trung ca, tang ca, cung ca

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 ca chang cong tan ((toan cao) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh tung ca chang cong tan ((toan cao) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tung ca chang cong tan ((toan cao) OR (toan tap))*.