Perhaps you should try some spelling variations:
nhung song » nhung cong, nhung bong, nhung chong
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
song luan » tong luan, cong luan, dong luan
manh cua » doanh cua, ban cua
van cau » van dau, van hau, van chat
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((trieu tinh) or (chinh sach)) - lanh manh cua nhung song luan van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((trieu tinh) OR (chinh sach)) - lanh manh cua nhung song luan van cau.
• Adding a wildcard symbol may retrieve word variants: ho ((trieu tinh) or (chinh sach)) - lanh manh cua nhung song luan van cau*.