Perhaps you should try some spelling variations:
trang luan » tang luan, trang tuan, truong luan
tranh luan » trinh luan, trinh luat, doanh luan
chao chua » chao chu, cha chua, chay chua
chua xang » chua nang, chuc nang, chu bang
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao chua xang - hanh ((trang luan) or (tranh luan)) thanh cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chua xang - hanh ((trang luan) OR (tranh luan)) thanh cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: chao chua xang - hanh ((trang luan) or (tranh luan)) thanh cong san toan cau*.