Perhaps you should try some spelling variations:
nhung loi » nhung bai, nhung bi, nhung gi
thoi kien » thoi hien, thoi mien, thoai lien
kien truc » kien thuc
nhung mon » nhung don, khung mon, nhung con
truc may » tren may, truc va
mon luan » mong luan, von luan, mot luan
que van » qua van, quy van, quyet van
luan va » luan van, luat va

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 loi que van. thoi kien truc may ) OR ( nhung mon luan va. thoi kien truc may ))~.
• Adding a wildcard symbol may retrieve word variants: (( nhung loi que van. thoi kien truc may ) or ( nhung mon luan va. thoi kien truc may ))*.