Perhaps you should try some spelling variations:
nganh hoa » thanh hoa, khanh hoa, danh hoa
cach hoc » cach thuc, cach thoi, dich hoc
cong hoc » dong hoc, cong hoa, cong ho
cong coc » cong cuoc, cong cac, cong co
nhan dan » phan dau, gian dan, nhan tai
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 hoc) or (cong coc)) nganh hoa hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu ((cong hoc) OR (cong coc)) nganh hoa hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu ((cong hoc) or (cong coc)) nganh hoa hoc xa hoi va nhan dan*.