Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh hung, hanh dung
thanh tung » thanh cong
quang dung » quang trung, ung dung, cuong dung
doi chieu » doc hieu, doi chi, ho chieu
trong tac » trong cac, tuong tac, trong tan
nhanh cau » nhanh cay, thanh chau, nhanh ha
thanh chu » thanh chau, thanh cha, thanh thu

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 dung) or (thanh tung)) quang dung trong tac ((nhanh cau) or (thanh chu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((thanh dung) OR (thanh tung)) quang dung trong tac ((nhanh cau) OR (thanh chu)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((thanh dung) or (thanh tung)) quang dung trong tac ((nhanh cau) or (thanh chu))*.