Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
chao chuc » chao chu, chuan chuc, cho chu
luan tong » luan tuong, luan cong, luan dong
cong van » cong vang, cong san, cong tan
song van » hoang van, trong van, duong van
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chuc nang - hanh tranh luan tong ((cong van) or (song van)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chuc nang - hanh tranh luan tong ((cong van) OR (song van)) toan ban*.