Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
canh manh » lanh manh, canh tranh, cach mang
dung cong » dung trong
hang luan » dung luan
tang luan » dung luan
ho chieu » theo chieu, hoc thieu, mot chieu
manh cua » doanh cua, ban cua
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van

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