Perhaps you should try some spelling variations:
dang luan » dung luan, tang luan, dan luan
hang luan » tang luan, dung luan
chao chu » cho chu, cua chu, cao cho
chu xanh » chu manh, chieu xanh, chua xang
cong san » cong tac
dong hoc » dong co, dong luc
phan cau » phan dau, phan cac, phan tu

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 - anh ((dang luan) or (hang luan)) dong ((cong san) or (dong hoc)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao chu xanh - anh ((dang luan) OR (hang luan)) dong ((cong san) OR (dong hoc)) phan cau.
• Adding a wildcard symbol may retrieve word variants: chao chu xanh - anh ((dang luan) or (hang luan)) dong ((cong san) or (dong hoc)) phan cau*.