Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh khoa » nganh hoa, doanh khoa, anh khoa
duc sinh » duc minh, duc hinh, duc kinh
cuu tong » cuu cong, cuu tinh, huu tung
tong hoc » tuong hoc, thong hoc, trong hoc
nhan dan » phan dau, gian dan, nhan tai
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: duc sinh hoc tap, nghien cuu tong hoc ((nganh khoa) or (nganh khong)) hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: duc sinh hoc tap, nghien cuu tong hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: duc sinh hoc tap, nghien cuu tong hoc ((nganh khoa) or (nganh khong)) hoc xa hoi va nhan dan*.