Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
hoc nhanh » hoc nganh, hoc phan
chong hoc » chung hoc, chong doc, thong hoc
sach hoc » cach hoc, sach hoi, mach hoc
nhan dan » gian dan, nhan tai
phan dau » phan tu, hang dau
tu sach » thu sach, su sach, te sach
cuu mot » cua mot, cuu mo, huu mot
mot hoc » mon hoc, mo hoc, mot goc
hoc xa » hoc ma

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 mot hoc nhanh chong hoc xa hoi va ((nhan dan) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cuu mot hoc nhanh chong hoc xa hoi va ((nhan dan) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu mot hoc nhanh chong hoc xa hoi va ((nhan dan) or (phan dau))*.