Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
thanh chau » thanh cha, thanh cham, thanh chu
doi chieu » doc hieu, doi chi, ho chieu
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu
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: doi chieu sach - thanh tung va nhung cong dan ((thanh chau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tung va nhung cong dan ((thanh chau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tung va nhung cong dan ((thanh chau) or (phan cau))*.