Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cuong cac » luong cac, trong cac, cuong ma
cach hoc » cach thuc, cach thoi, dich hoc
cong cac » cong tac, cong cau, trong cac
khoa hoc » hoa hoc
van phan » van phong, van thanh, luan phan
phan dau » phan tu, hang dau
tu cach » tu cac
hoi van » hoi va, hoi dan, hai 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 cach hoc tap, nghien cuu ((cong cac) or (cuong cac)) nganh khoa hoc xa hoi van phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu ((cong cac) OR (cuong cac)) nganh khoa hoc xa hoi van phan dau.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu ((cong cac) or (cuong cac)) nganh khoa hoc xa hoi van phan dau*.