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
sanh hoi » sach hoi, hanh thoi, sinh hoc
nhan dan » phan dau, gian dan, nhan tai
so sanh » do sanh
hoi tap » hoi dap, hoc tap, hoi tai
nhan va » nhan tai, nhan tao, phan van
cuu co » huu co, cua co, cuu mo
ma hoi » mai hoi, xa hoi, ma hoa
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: so sanh hoi tap, nghien cuu co hoc nganh khong hoc ma hoi ca ((nhan va) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sanh hoi tap, nghien cuu co hoc nganh khong hoc ma hoi ca ((nhan va) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: so sanh hoi tap, nghien cuu co hoc nganh khong hoc ma hoi ca ((nhan va) or (nhan dan))*.