Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
luan phuong » lan phuong, quang phuong, doan phuong
tranh luan » trinh luan, trinh luat, doanh luan
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong van » cong vang, cong san, song van
ban cau » bang cau, ban can, ban dau
van cau » van dau, van hau, van chat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doc hieu)) xanh - canh tranh luan phuong cong van ((ban cau) or (van cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) xanh - canh tranh luan phuong cong van ((ban cau) OR (van cau)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) xanh - canh tranh luan phuong cong van ((ban cau) or (van cau))*.