Perhaps you should try some spelling variations:
dang thuoc » dung thuoc
nhung loi » nhung bai, nhung bi, nhung gi
doi tuong » moi truong, doi song
tuong hoc » truong hoc, tuong ho, duong hoc
noi dang » noi dung, hoi dang, moi dang
thuoc mo » thuoc moi, thuoc ma, thuoc bo
que van » qua van, quy van, quyet van
hoc moi » hoc noi
thi cua » thai cua, thi cuc, tri cua
cua dan » cua dang, cua ban, ca dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( nhung loi que van. doi tuong hoc moi ) or ( phung thi cua dan. noi dang thuoc mo ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( nhung loi que van. doi tuong hoc moi ) OR ( phung thi cua dan. noi dang thuoc mo )).
• Adding a wildcard symbol may retrieve word variants: (( nhung loi que van. doi tuong hoc moi ) or ( phung thi cua dan. noi dang thuoc mo ))*.