Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, anh khoa
doanh khoa » toan khoa
cach hoc » cach thuc, cach thoi, dich hoc
cuu cong » cua cong, thu cong, cac cong
cong coc » cong cuoc, cong cac, cong co
nhan van » nhan dan, nhan va, phan van
tu cach » tu cac
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 cach hoc tap, nghien cuu cong coc ((nganh khoa) OR (doanh khoa)) hoc xa hoi va nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach hoc tap, nghien cuu cong coc ((nganh khoa) OR (doanh khoa)) hoc xa hoi va nhan van".
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu cong coc ((nganh khoa) OR (doanh khoa)) hoc xa hoi va nhan van*.