Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
nhung hoc » chung hoc, nhung goc, khung hoc
sach hoc » cach hoc, sach hoi, mach hoc
cac nhan » ca nhan, cac nha, cam nhan
nhan dan » phan dau, gian dan, nhan tai
te sach » toc sach
cuu mon » cuu mo, cuu mot, cuu cong
hoi cac » hoc cac, voi cac, hoa cac
ma hoi » mai hoi, xa hoi, ma hoa

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: "te sach hoc tap, nghien cuu mon ((hoc nganh) OR (hoc nhanh)) nhung hoc ma hoi cac nhan dan~".
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu mon ((hoc nganh) OR (hoc nhanh)) nhung hoc ma hoi cac nhan dan*.