Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghien cac » nghiep cach, nghien cuu, nghiep cay
nganh khoa » nganh hoa, doanh khoa, anh khoa
hach hoc » cach hoc, mach hoc, hoach hoi
cac cong » cua cong
cong hoc » dong hoc, cong hoa, cong coc
nhan van » nhan dan, nhan va, phan van
tu hach » tu hanh, tu cach, tu sach
va nhan » van nhan, ca nhan, va phan
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 hach hoc tap, nghien cac cong hoc ((nganh khoa) or (nganh khong)) hoc xa hoi va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hach hoc tap, nghien cac cong hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi va nhan van.
• Adding a wildcard symbol may retrieve word variants: tu hach hoc tap, nghien cac cong hoc ((nganh khoa) or (nganh khong)) hoc xa hoi va nhan van*.