Perhaps you should try some spelling variations:
trang luan » tang luan, trang tuan, truong luan
tranh luan » trinh luan, trinh luat, doanh luan
chao chu » cho chu, cua chu, cao cho
chu xanh » chu manh, chieu xanh, chua xang
cong van » cong vang, cong san, song van
van tai » von tai, van tuan
tai tap » bai tap, tai tao, hai 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 chu xanh - hanh ((trang luan) or (tranh luan)) thanh cong van tai tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu xanh - hanh ((trang luan) OR (tranh luan)) thanh cong van tai tap.
• Adding a wildcard symbol may retrieve word variants: chao chu xanh - hanh ((trang luan) or (tranh luan)) thanh cong van tai tap*.