Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
doi chieu » doc hieu, doi chi, ho chieu
van duong » van dong, van dung, van phong
dan toan » dan than, manh toan, xuan toan
van toan » van tuan, van tan, van thanh

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 - canh trinh ((van duong) or (tin dung)) trong ((dan toan) or (van toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh trinh ((van duong) OR (tin dung)) trong ((dan toan) OR (van toan)) ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh trinh ((van duong) or (tin dung)) trong ((dan toan) or (van toan)) ban*.