Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu sach » chinh sach, chiet tach, chieu sang
thanh chau » thanh cha, thanh cham, thanh chu
van nhung » van nhuong, va nhung, van hung
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
can van » cac van, can ban, tan van
van van » van ban, tan van, san van

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 - can van van nhung cong san ((thanh chau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - can van van nhung cong san ((thanh chau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - can van van nhung cong san ((thanh chau) or (phan cau))*.