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
cong bang » cuong bang, dong bang, hong bang
ho chieu » theo chieu, hoc thieu, doi chieu
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong san, cong thanh
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 bang) or (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh tung cua thong ((cong bang) OR (cong tan)) than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh tung cua thong ((cong bang) or (cong tan)) than cau*.