Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
kthanh van » khanh van, thanh san, thanh va
nhung cong » dung cong, thong cong, hang cong
thanh van » thanh san, thanh toan, thanh phan
cua nhung » va nhung
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan

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) OR (chinh sach)) - ((thanh van) or (kthanh van)) cua nhung cong van phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - ((thanh van) OR (kthanh van)) cua nhung cong van phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chinh sach)) - ((thanh van) or (kthanh van)) cua nhung cong van phan tu".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chinh sach)) - ((thanh van) or (kthanh van)) cua nhung cong van phan tu*.