Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, bac hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
nhan van » nhan dan, nhan va, phan van
anh hoc » sinh hoc, benh hoc, hinh hoc
va nhan » van nhan, ca nhan, va phan
hoc xa » hoc ma

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((mach hoc) OR (anh hoc)) tap, nghien cuu dong hoc nganh khoa hoc xa hoi va nhan van~".
• Adding a wildcard symbol may retrieve word variants: tu ((mach hoc) OR (anh hoc)) tap, nghien cuu dong hoc nganh khoa hoc xa hoi va nhan van*.