Perhaps you should try some spelling variations:
nhung tri » nhung bai, dung tri, nhung bi
nhung loi » nhung bai, nhung bi, nhung gi
que lang » quet lang, quan lang, que quang
quan van » luan van, quan va, quan luan
hoc dung » hoc ung, hoc dan, tac dung
dung hoc » dong hoc, dung thuoc, trung hoc
hoc mot » hoc moi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nhung tri) or (nhung loi)) ((que lang) or (quan van)). hoc dung hoc mot~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nhung tri) OR (nhung loi)) ((que lang) OR (quan van)). hoc dung hoc mot.
• Adding a wildcard symbol may retrieve word variants: ((nhung tri) or (nhung loi)) ((que lang) or (quan van)). hoc dung hoc mot*.