Perhaps you should try some spelling variations:
nganh dong » nganh cong, nhanh dong, nganh nong
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
sach hoi » sach doi, sach moi, cach thoi
dong hoc » dong co, dong luc
cac nhan » ca nhan, cac nha, cam nhan
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc
hoc cac » hoc cao
nhan va » nhan tai, nhan dan, nhan tao
ma hoc » va hoc, ma hoa, mo hoc

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 hoi)) tap, nghien cuu mon hoc nganh dong hoc ma hoc cac nhan va~.
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) or (sach hoi)) tap, nghien cuu mon hoc nganh dong hoc ma hoc cac nhan va*.