Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tien » thanh vien, thanh nien, thang tien
trong manh » trong minh, trong anh, trong mach
tien viet » tieng viet, trien viet, thien viet
viet dung » viet hung, viet huong, viet trung
manh toan » thanh toan, anh tuan, tinh 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 ((chiet tach) or (chinh sach)) - thanh tien viet dung trong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chinh sach)) - thanh tien viet dung trong manh toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chinh sach)) - thanh tien viet dung trong manh toan ban*.