Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
sach hoc » cach hoc, sach hoi, mach hoc
cua phan » cua nhan, cua phap, cua han
phan dau » phan tu, hang dau
tu sach » thu sach, su sach, te sach
hoi cua » hoi chuc
mo hoc » mon hoc, co hoc

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