Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cach dung » sach dung, cach mang, tac dung
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
cua hang » cua dang, cua cong, cua ban
dan toan » van toan, dan than, xuan toan

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: ho chieu sach - cach dung ((cua hang) OR (cua nhung)) cong ((dan toan) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - cach dung ((cua hang) OR (cua nhung)) cong ((dan toan) or (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - cach dung ((cua hang) OR (cua nhung)) cong ((dan toan) or (manh toan)) cau*.