Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
phung cong » nhung cong, phong cong, nhung chong
chong cong » cong cong, thong cong, cuong cong
thanh toan » thanh hoa, thanh san, tinh toan
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chinh sach)) - hanh tang luan ((phung cong) or (chong cong)) thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - hanh tang luan ((phung cong) OR (chong cong)) thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chinh sach)) - hanh tang luan ((phung cong) or (chong cong)) thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chinh sach)) - hanh tang luan ((phung cong) or (chong cong)) thanh toan ban*.