Perhaps you should try some spelling variations:
nhung thoi » nhung thi, phung thi, nhung loi
nguoi nung » nguoi muong, nguoi nuoc
thoi quan » thoi quen, thi quan, thong quan
gian lang » gian dan
quan van » luan van, quan va, quan luan
nung hoc » nhung hoc, dung hoc, nang hoc
noi dung » hoc dung
dung tri » dung tai, dung tren, dung sai
hoc moi » hoc noi

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 thoi quan van. nguoi nung hoc moi ) OR ( nhung thoi gian lang. noi dung tri mot ))~.
• Adding a wildcard symbol may retrieve word variants: (( nhung thoi quan van. nguoi nung hoc moi ) or ( nhung thoi gian lang. noi dung tri mot ))*.