Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
khong hoc » khung hoc, thong hoc, khong thuoc
sach hoc » cach hoc, sach hoi, mach hoc
tu sach » thu sach, su sach, te sach
cuu mon » cuu mo, cuu mot, cuu cong
nhan va » nhan tai, nhan dan, nhan tao
ma hoi » mai hoi, xa hoi, ma hoa
hoi ca » hoi cua, hoi cac, hoi cau

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 sach hoc tap, nghien cuu mon ((hoc nganh) OR (hoc nhanh)) khong hoc ma hoi ca nhan va~".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu mon ((hoc nganh) OR (hoc nhanh)) khong hoc ma hoi ca nhan va*.