Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
manh hung » anh huong
hach toan » thanh toan
manh toan » thanh toan, anh tuan, tinh toan
hung va » huong va, hung van, hang va
va dung » van dung, va duong, vat dung

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 - manh hung va dung trong ((hach toan) OR (manh toan)) tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - manh hung va dung trong ((hach toan) OR (manh toan)) tap".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - manh hung va dung trong ((hach toan) OR (manh toan)) tap*.