Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh toan, thanh tra
doi chieu » doc hieu, doi chi, ho chieu
tran tuan » tran xuan, tran quang, tran thanh
tuan dung » tuan duong, tran dung, tan dung
trong tac » tuong tac, trong tan, trong tuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - thanh tran tuan dung ((trong tac) OR (trong cac)) ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tran tuan dung ((trong tac) OR (trong cac)) ((toan ban) OR (van ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh tran tuan dung ((trong tac) OR (trong cac)) ((toan ban) or (van ban))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tran tuan dung ((trong tac) OR (trong cac)) ((toan ban) or (van ban))*.