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
tan hang » tan khang, ban hang, gan hang
van hang » van khang, van hoang, van thang

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)) xanh - canh luan van nhung cong ((tan hang) OR (van hang)) dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chieu)) xanh - canh luan van nhung cong ((tan hang) OR (van hang)) dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (theo chieu)) xanh - canh luan van nhung cong ((tan hang) OR (van hang)) dau".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo chieu)) xanh - canh luan van nhung cong ((tan hang) OR (van hang)) dau*.