Perhaps you should try some spelling variations:
thanh trung » thanh tung
tranh luan » trinh luan, trinh luat, doanh luan
tam thanh » tam than, nam thanh, am thanh
dan tranh » can tranh, dan thanh, dan trinh
thi hanh » thi thanh
cong dan » cong san, cong tan, huong dan
doi thi » doi thoi, do thi, doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi thi hanh - thanh trung tam thanh cong dan tranh luan~.
• Adding a wildcard symbol may retrieve word variants: doi thi hanh - thanh trung tam thanh cong dan tranh luan*.