Perhaps you should try some spelling variations:
nhung thoi » nhung thi, phung thi, nhung loi
noi dung » hoc dung
dung hoc » dong hoc, dung thuoc, trung hoc
nhung gi » nhung bi, nhung bai
dung cua » dung luan, dung cho
xua van » qua van, cua van, xa van
que van » qua van, quy van, quyet van
xua va » xuat va, vua va, sua va
hoc mo » hoc moi, hoc mot, hoc mon
gi que » nghi que

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 ((xua van) OR (xua va)). noi dung hoc mo ) OR ( nhung gi que van. noi dung cua bo ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( nhung thoi ((xua van) OR (xua va)). noi dung hoc mo ) or ( nhung gi que van. noi dung cua bo ))~".
• Adding a wildcard symbol may retrieve word variants: (( nhung thoi ((xua van) OR (xua va)). noi dung hoc mo ) or ( nhung gi que van. noi dung cua bo ))*.