Perhaps you should try some spelling variations:
nhuong cong » nhung cong, luong cong, duong cong
van nhuong » van chuong, van phuong, van huong
doi chieu » doc hieu, doi chi, mot chieu
canh luan » doanh luan, tranh luan, chinh luan
ho chieu » theo chieu, hoc thieu, mot chieu
dan chan » dan gian, dan ca, van chat
van phan » van phong, van thanh, luan phan

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) or (ho chieu)) sach - canh luan van nhuong cong ((dan chan) or (van phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - canh luan van nhuong cong ((dan chan) OR (van phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) sach - canh luan van nhuong cong ((dan chan) or (van phan)) cau*.