Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
theo lieu » theo tieu, theo chieu, theo yeu
lieu tinh » trieu tinh, diep tinh, bien tinh
luan phan » luan van, luan hoan
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo lieu tinh - canh tranh luan phan ((cong san) or (cong tan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo lieu tinh - canh tranh luan phan ((cong san) OR (cong tan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo lieu tinh - canh tranh luan phan ((cong san) or (cong tan)) toan tap*.