Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
sach hoc » cach hoc, sach hoi, mach hoc
cap phan » cac phan, cao phan, cap han
phan dau » phan tu, hang dau
tu sach » thu sach, su sach, te sach
cuu mot » cua mot, huu mot, cuu vuot
hoi cap » hoi dap, hoi cac, hoi cau
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 mo) or (cuu mot)) hoc nganh khong hoc xa hoi cap 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 nganh khong hoc xa hoi cap phan dau.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien ((cuu mo) or (cuu mot)) hoc nganh khong hoc xa hoi cap phan dau*.