Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
hoc nganh » hoc nhanh
khung hoc » chung hoc, nhung hoc, thuong hoc
hoi benh » hoc benh, hoa benh, hoi binh
nhan van » nhan dan, nhan va, phan van
so cach » co cach, loi cach, mot cach
so sach » so sanh, bo sach, co sach
cuu co » huu co, cua co, cuu mo
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((so cach) or (so sach)) hoc tap, nghien cuu co hoc nganh khung hoc ma hoi benh nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so cach) OR (so sach)) hoc tap, nghien cuu co hoc nganh khung hoc ma hoi benh nhan van.
• Adding a wildcard symbol may retrieve word variants: ((so cach) or (so sach)) hoc tap, nghien cuu co hoc nganh khung hoc ma hoi benh nhan van*.