Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
nhan taon » nhan trong, nhan thong, nhan tuong
cach hoc » cach thuc, cach thoi, dich hoc
nhan tao » nhan tai, nhan dan
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoa va » hoa van, hoa xa, hoa vo

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 mon hoc nganh hoa hoc ma hoa va ((nhan taon) or (nhan tao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mon hoc nganh hoa hoc ma hoa va ((nhan taon) OR (nhan tao)).
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mon hoc nganh hoa hoc ma hoa va ((nhan taon) or (nhan tao))*.