Perhaps you should try some spelling variations:
dung nguoi » dung nguon, nhung nguoi
muong hoc » duong hoc, tuong hoc, muong hoa
nhung bi » nhung bai, nhung gi
boi dung » boi duong, noi dung, hoi dung
nguoi mo » nguoi moi, nguoi ma, nguoi co
que van » qua van, quy van, quyet van
thi que » thi hue, thi quy, nghi que
bi que » bi quyet
hoc mo » hoc moi, hoc mot, hoc mon

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 bi que van. boi dung nguoi mo ) OR ( phung thi que van. nguoi muong hoc mo ))~.
• Adding a wildcard symbol may retrieve word variants: (( nhung bi que van. boi dung nguoi mo ) or ( phung thi que van. nguoi muong hoc mo ))*.