Perhaps you should try some spelling variations:
nguoi duong » nguoi muong, nguoi dung, nuoi duong
nhung thoi » nhung thi, nhung loi, nhung tri
thoi luan » hoi luan, thai luan, thong luan
duong hoc » dong hoc, dung hoc, duong hoi
thi luan » thi lan, thi xuan, thi loan
hoc mot » hoc moi
hoc mo » hoc moi, hoc mon, hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung thoi luan van. nguoi duong hoc mot ) or ( phung thi luan van. nguoi duong hoc mo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung thoi luan van. nguoi duong hoc mot ) OR ( phung thi luan van. nguoi duong hoc mo )).
• Adding a wildcard symbol may retrieve word variants: (( nhung thoi luan van. nguoi duong hoc mot ) or ( phung thi luan van. nguoi duong hoc mo ))*.