Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh quan » tinh quang, trinh luat
chung cong » nhung cong, chong cong, phung cong
danh thanh » dinh thanh, dang thanh, nhanh thanh
doi chieu » doc hieu, doi chi, ho chieu
cong danh » cuong danh, cong dan, cong thanh
thanh chu » thanh chau, thanh cha, thanh thu

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 - hanh ((trinh han) or (trinh quan)) chung cong danh thanh chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trinh han) OR (trinh quan)) chung cong danh thanh chu*.