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
bang cong » dang cong, bang song, hang cong
tung cua » trung cua, tuong cua, dung cua
cua bang » chua bang, cua ban, cua dang
cong tan » cong tac, cong san, cong thanh
tcan cau » toan cau, van cau, phan cau
toan cao » toan ban, toan tap
can cau » van cau, ban cau, ca cau

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 bang cong tan ((((tcan cau) OR (toan cao))) or (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tung cua bang cong tan ((((tcan cau) OR (toan cao))) OR (can cau))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh tung cua bang cong tan ((((tcan cau) OR (toan cao))) or (can cau))*".