Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
hoc nhanh » hoc nganh, hoc phan
cach hoc » cach thuc, cach thoi, dich hoc
khoa hoc » hoa hoc
tinh van » trinh van, dinh van, tinh va
su cach » su sach, tu cach, su cac
van hoc » van hoa
ma hoi » mai hoi, ma hoa, me hoi

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: su cach hoc tap, nghien cuu van hoc nhanh khoa hoc ((ma hoi) OR (xa hoi)) may tinh van~.
• Adding a wildcard symbol may retrieve word variants: su cach hoc tap, nghien cuu van hoc nhanh khoa hoc ((ma hoi) or (xa hoi)) may tinh van*.