Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
van nhuong » van chuong, van phuong, van huong
doi chieu » doc hieu, doi chi, ho chieu
ban huong » bang phuong, ban hang, anh huong
van toan » van tuan, van tan, van thanh
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 - canh tranh ((van nhuong) or (ban huong)) huong ((van toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh tranh ((van nhuong) OR (ban huong)) huong ((van toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh tranh ((van nhuong) or (ban huong)) huong ((van toan) or (dan than)) cau*.