Perhaps you should try some spelling variations:
thanh nhung » thanh hung, hanh nhung, tranh nhung
thanh quan » thanh xuan, thanh tuan, nhanh quang
nhung tong » nhung tuong, nhung cong, nhung bong
hieu lang » chieu sang, hieu quang, nhieu tang
hanh quan » anh quan, hang quan, hanh qua
tong luan » tang luan, dung luan, hang luan
nho hieu » nha hieu, nho sieu, nhu hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho hieu lang - ((hanh quan) or (thanh quan)) thanh nhung tong luan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho hieu lang - ((hanh quan) OR (thanh quan)) thanh nhung tong luan van ban*.