Perhaps you should try some spelling variations:
thanh tieng » hanh tieng, thanh tien, thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
viet cuong » viet huong, viet phuong, viet hung
viet cung » viet hung, viet dung, viet vung
trong dan » trong dang, trong tan, trong ban
trong san » trong cac, cong san, dong san
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 - thanh tieng ((viet cung) or (viet cuong)) ((trong dan) OR (trong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - thanh tieng ((viet cung) OR (viet cuong)) ((trong dan) OR (trong san)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - thanh tieng ((viet cung) or (viet cuong)) ((trong dan) OR (trong san)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - thanh tieng ((viet cung) or (viet cuong)) ((trong dan) OR (trong san)) toan ban*.