Perhaps you should try some spelling variations:
quyen vang » quyen van, quyet van, huyen van
nguoi dung » nguoi nung, nguoi muong, noi dung
nhung thoi » nhung thi, phung thi, nhung loi
nuoi duong » nguoi muong, noi dung, boi duong
nhung dai » nhung bai, hung dai, nhung doi
dai quyen » dat quyen, dai truyen, tai huyen
thoi luan » hoi luan, thi luan, thai luan
duong hoi » duong loi, dong hoi, duong noi
dung hoc » dong hoc, dung thuoc, trung hoc
luan va » luan van, luat va
hoc mo » hoc moi, hoc mot, hoc mon
hoi mo » hoi mot, hoi co, hoi o

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung dai quyen vang. nguoi dung hoc mo ) OR ( nhung thoi luan va. nuoi duong hoi mo ))~.
• Adding a wildcard symbol may retrieve word variants: (( nhung dai quyen vang. nguoi dung hoc mo ) or ( nhung thoi luan va. nuoi duong hoi mo ))*.