Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
tinh hoc » sinh hoc, tin hoc, hinh hoc
khoa hoc » hoa hoc
nhan tai » van tai, toan tai
hang tai » hang va, dung tai
te tinh » tue tinh, tre tinh, ve tinh
cuu co » huu co, cua co, cuu mo
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: te tinh hoc tap, nghien cuu co hoc nganh khoa hoc xa hoi va ((nhan tai) or (hang tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te tinh hoc tap, nghien cuu co hoc nganh khoa hoc xa hoi va ((nhan tai) OR (hang tai)).
• Adding a wildcard symbol may retrieve word variants: te tinh hoc tap, nghien cuu co hoc nganh khoa hoc xa hoi va ((nhan tai) or (hang tai))*.