Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong chuc » cong thuc, cong cu, cong cua
cuong cac » luong cac, cong cac, trong cac
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong cau » cong cu, thong cau, cong tac
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan ca » tan cua, tang ca, dan ca

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 ((((cong chuc) or (cong cau))) or (cuong cac)) dung cong van tan ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((((cong chuc) OR (cong cau))) OR (cuong cac)) dung cong van tan ca.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((((cong chuc) or (cong cau))) or (cuong cac)) dung cong van tan ca*.