Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
hanh hoc » thanh hoc, hinh hoc, anh hoc
khoa hoc » hoa hoc
nhan van » nhan dan, phan van, nha van
nhan va » nhan tai, nhan dan, nhan tao
mo hoc » mon hoc, co hoc
ma hoi » mai hoi, xa hoi, ma hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (thuc OR thu) hanh hoc tap, nghien cuu mo hoc nganh khoa hoc ma hoi va ((nhan van) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (thuc OR thu) hanh hoc tap, nghien cuu mo hoc nganh khoa hoc ma hoi va ((nhan van) OR (nhan va))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(thuc OR thu) hanh hoc tap, nghien cuu mo hoc nganh khoa hoc ma hoi va ((nhan van) or (nhan va))*".