Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
lieu tinh » trieu tinh, diep tinh, bien tinh
cong bang » cuong bang, dong bang, hong bang
cong ban » cong san, cong tan, cong dan
than cau » toan cau, phan cau, than cap
tung va » trung va, tuong va, dung va

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

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