Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh trang » canh tranh, hanh trang, banh trang
doi chieu » doc hieu, doi chi, ho chieu
manh toan » thanh toan, anh tuan, tinh toan
vat dung » van dung, viet dung, mat duong
van than » van thanh, van thang, van tuan
va dung » van dung, va duong, va ung

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh trang ((va dung) OR (vat dung)) trong ((van than) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - canh trang ((va dung) OR (vat dung)) trong ((van than) or (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh trang ((va dung) OR (vat dung)) trong ((van than) or (manh toan)) cau*.