Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thuc hung » thuc chung, thuc nhung, thuc dung
hung cong » nhung cong, hung cuong, phung cong
binh dan » minh danh, binh dinh, binh luan
dan thuc » dan toc, am thuc
cong tan » cong tac, cong san, cong thanh
phan cac » phan dau, phan lap, phan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu nhi) or (chieu sach)) - binh dan thuc hung cong tan ((phan cac) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu nhi) OR (chieu sach)) - binh dan thuc hung cong tan ((phan cac) OR (nhan cach)).
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu nhi) or (chieu sach)) - binh dan thuc hung cong tan ((phan cac) or (nhan cach))*.