Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh doan » thanh toan, thinh doan, thanh loan
doan quang » tran quang, van quang, dang quang
quang dung » quang trung, ung dung, cuong dung
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
tan toan » tap toan, van toan, dan toan

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 doan quang dung cong ((tan toan) or (tan tran)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh doan quang dung cong ((tan toan) OR (tan tran)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh doan quang dung cong ((tan toan) or (tan tran)) cau*.