Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
chuc nhan » thuc nhan, chuc nganh, chung nhan
cach hoc » cach thuc, cach thoi, dich hoc
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
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 cach hoc tap, nghien cuu mo hoc nganh hoa ((hoc xa) or (hoc ma)) hoi chuc nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mo hoc nganh hoa ((hoc xa) OR (hoc ma)) hoi chuc nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mo hoc nganh hoa ((hoc xa) or (hoc ma)) hoi chuc nhan dan*.