Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
trien hoat » tien hoa
tuan luan » quan luan, toan luan, thuat luan
tinh dung » trinh dung, tin dung, tinh huong
dung hang » dung thang, dung khang, dung dang
hang luan » tang luan, dung luan
luan kiem » luat kiem, khuan kiem, luong kiem
kiem soat » kiem toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh quang ((tuan luan) or (tranh luan)) trien hoat ) or ( tinh dung hang luan kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh quang ((tuan luan) OR (tranh luan)) trien hoat ) OR ( tinh dung hang luan kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( tinh quang ((tuan luan) or (tranh luan)) trien hoat ) or ( tinh dung hang luan kiem soat ))*.