Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
danh luan » doanh luan, dan luan, tranh luan
mach hoc » cach hoc, dich hoc, anh hoc
sach doi » sach hoi, sach moi, sach dao
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc dai » hoc dan
dai hop » dai hoc, dai hoi, dai hoa

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: tu ((mach hoc) OR (sach doi)) tap, nghien cuu mon hoc nganh khong hoc dai hop danh luan van~.
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) or (sach doi)) tap, nghien cuu mon hoc nganh khong hoc dai hop danh luan van*.