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 nhan » doanh nhan, thanh nhan, benh nhan
mach hoc » cach hoc, dich hoc, anh hoc
cuu cong » cua cong, thu cong
cac cong » cua cong
so mach » so sach, tao mach, kon mach
nhan va » nhan tai, nhan dan, nhan tao
ma hop » mau hop, ma hoa, va hop

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: so mach hoc tap, nghien ((cuu cong) OR (cac cong)) hoc nganh khong hoc ma hop danh nhan va~.
• Adding a wildcard symbol may retrieve word variants: so mach hoc tap, nghien ((cuu cong) or (cac cong)) hoc nganh khong hoc ma hop danh nhan va*.