Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh tung cua thong ((cong ban) or (cong san)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung cua thong ((cong ban) OR (cong san)) than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung cua thong ((cong ban) or (cong san)) than cau*.