Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
ban huong » bang phuong, ban hang, anh huong
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
luan ban » luan van, luan san, luan han
dan toan » van toan, dan than, xuan toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu tinh - canh tranh luan ban huong ((dan toan) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu tinh - canh tranh luan ban huong ((dan toan) OR (manh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - canh tranh luan ban huong ((dan toan) or (manh toan)) cau*.