Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cuu thong » cuu thuong, cuu tong, cuu chong
thong hoc » thuong hoc, tuong hoc, thong hoa
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
khoa hoc » hoa hoc
nhan tai » hang tai, van tai, toan tai
te mach » ke mach, te sach, tim mach
nhan va » nhan dan, nhan tao, phan van
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 mach hoc tap, nghien cuu thong hoc nganh khoa hoc xa hoi va ((nhan va) or (nhan tai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te mach hoc tap, nghien cuu thong hoc nganh khoa hoc xa hoi va ((nhan va) OR (nhan tai)).
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cuu thong hoc nganh khoa hoc xa hoi va ((nhan va) or (nhan tai))*.