Perhaps you should try some spelling variations:
cong nguong » cong nguon, cong thuong, cong luong
chieu sach » chinh sach, chiet tach, chieu sang
hanh huong » thanh huong, anh huong, manh huong
doi chieu » doc hieu, doi chi, ho chieu
huong cua » dung cua
manh toan » thanh toan, anh tuan, tinh toan
dan toan » van toan, xuan toan, dien toan
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: doi chieu sach - hanh huong cua cong nguong ((((dan toan) or (manh toan))) or (dan than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh huong cua cong nguong ((((dan toan) OR (manh toan))) OR (dan than)) ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh huong cua cong nguong ((((dan toan) or (manh toan))) or (dan than)) ban*.