Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
hoc nhanh » hoc nganh, hoc phan
khong hoc » khung hoc, thong hoc, khong thuoc
sach hoc » cach hoc, sach hoi, mach hoc
phan dau » phan tu, hang dau
tu sach » thu sach, su sach, te sach
cuu mot » cua mot, huu mot, cuu vuot
ca phan » cac phan, cao phan, cap phan
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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