Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tran » thanh trang, thanh toan, thanh tra
trong hach » trong mach, trong cach, trong hanh
hach toan » thanh toan, manh toan
tran van » luan van
van dung » van dong, xay dung, tin dung
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: hoc ((chieu sach) OR (chinh sach)) - thanh tran van dung trong hach toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu sach) OR (chinh sach)) - thanh tran van dung trong hach toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sach) OR (chinh sach)) - thanh tran van dung trong hach toan ban*.