Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh vien » nhan vien, thanh van
vien viet » dien viet, bien viet, viet viet
viet dung » viet hung, viet huong, viet trung
trong dan » trong dang, trong san, trong tan
dan toan » van toan, dan than, manh toan
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: ho ((chieu sach) or (chinh sach)) - thanh vien viet dung trong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - thanh vien viet dung trong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - thanh vien viet dung trong dan toan ban*.