Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
nghien cua » nghien cuu, nghiep cua, nghiep vua
hoa nganh » hoc nganh, khoi nganh, hoa doanh
thong hoc » thuong hoc, tuong hoc, thong hoa
mach hoc » cach hoc, dich hoc, anh hoc
cong hoa » dong hoa, dong hoc, hang hoa
nhan tao » nhan tai, nhan dan
tu mach » tu cach, tu manh, tu hach
nhan va » nhan tai, nhan dan, 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: tu mach hoc tap, nghien cua cong hoa nganh thong hoc xa hoi va ((nhan va) OR (nhan tao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc tap, nghien cua cong hoa nganh thong hoc xa hoi va ((nhan va) OR (nhan tao))".
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cua cong hoa nganh thong hoc xa hoi va ((nhan va) OR (nhan tao))*.