Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cach dung » sach dung, cach mang, tac dung
cua thong » cua thuong, cua khong, cua tong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - cach dung cua thong thong ((((dan than) or (xuan toan))) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - cach dung cua thong thong ((((dan than) OR (xuan toan))) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - cach dung cua thong thong ((((dan than) or (xuan toan))) or (manh toan)) cau*.