Perhaps you should try some spelling variations:
hoc nhanh » hoc nganh
nhung uoc » nhung cuoc, nhung buoc, nhung goc
sach hoc » cach hoc, sach hoi, mach hoc
hoc phan » hoc dan, hoc pho
cac nhan » ca nhan, cac nha, cam nhan
tu sach » thu sach, su sach, te sach
hoi cac » hoc cac, voi cac, hoa cac
nhan va » nhan tai, nhan dan, nhan tao
cuu co » huu co, cua co, cuu mo
uoc xa » duoc xa, hoc xa, uoc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach hoc tap, nghien cuu co ((hoc nhanh) or (hoc phan)) nhung uoc xa hoi cac nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cuu co ((hoc nhanh) OR (hoc phan)) nhung uoc xa hoi cac nhan va.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu co ((hoc nhanh) or (hoc phan)) nhung uoc xa hoi cac nhan va*.