Perhaps you should try some spelling variations:
nguoi cong » nguoi muong, nguoi thong, nguoi nung
quen vang » quan van, que van, que lang
nhung doi » nhung don, nhung loi, nhung noi
nhung gi » nhung bi, nhung bai
noi dung » hoc dung
doi quan » moi quan, do quan, noi quan
cong hoc » dong hoc, cong hoa, cong coc
gi quen » si quyen
dung co » dung cho, dung cong, dung cua
hoc mot » hoc moi
co mo » co mot, co so, co 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 gi quen vang. noi dung co mo ) or ( nhung doi quan luan. nguoi cong hoc mot ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung gi quen vang. noi dung co mo ) OR ( nhung doi quan luan. nguoi cong hoc mot )).
• Adding a wildcard symbol may retrieve word variants: (( nhung gi quen vang. noi dung co mo ) or ( nhung doi quan luan. nguoi cong hoc mot ))*.