Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
canh luan » doanh luan, tranh luan, chinh luan
van nhung » van nhuong, va nhung, van hung
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 (theo chieu)) sach - canh luan van nhung cong ((dan chan) or (van phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chieu)) sach - canh luan van nhung cong ((dan chan) OR (van phan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chieu)) sach - canh luan van nhung cong ((dan chan) or (van phan)) cau*.