Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
van chuong » van phong, van duong, van hung
tieu tinh » trieu tinh, tieu trinh, lieu tinh
van huong » van phuong, ban huong, van duong
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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

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