Perhaps you should try some spelling variations:
nguoi dung » nguoi nung, nguoi muong, nguoi dan
quyen hanh » quyen anh, quen hanh, quyet thanh
nhung gai » nhung giai, nhung ngai, nhung bai
gai quang » mai quang, cai quang, oai quang
quang van » quang ban, quan van, quang uan
dung hoc » dong hoc, dung thuoc, trung hoc
nhung bi » nhung bai, nhung gi
bi quyen » bi quyet, si quyen, binh quyen
noi dung » hoc dung
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung gai quang van. nguoi dung hoc mot ) OR ( nhung bi quyen hanh. noi dung hoc mo ))~.
• Adding a wildcard symbol may retrieve word variants: (( nhung gai quang van. nguoi dung hoc mot ) or ( nhung bi quyen hanh. noi dung hoc mo ))*.