Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
dung cong » dung trong
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, mot chieu
manh cua » doanh cua
cong ban » cong bang, cong san, cong tan
ban tang » ban trang, ban hang, ba tang
ban cua » ban quan

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 ((manh cua) OR (ban cua)) dung cong ban tang luan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - canh ((manh cua) OR (ban cua)) dung cong ban tang luan*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (ho chieu)) sach - canh ((manh cua) OR (ban cua)) dung cong ban tang luan*".