Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
quan nhung » qua nhung, cua nhung, luan chung
hanh tang » hanh trang, anh tang, hanh mang
tang quan » tang luan, nang quan, tong quan
thanh ban » thanh san, thanh van, thanh bac
cong van » cong vang, song van, cong tan
cong san » cong tac

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