Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoa nganh » hoc nganh, khoi nganh, hoa doanh
cach hoc » cach thuc, cach thoi, dich hoc
thu hang » thi hang, thuc hanh, thu huong
hang hoa » hang khoa, thanh hoa, hang va
khoa hoc » hoa hoc
nhan van » nhan dan, nhan va, nha van
phan van » pham van, thanh van, luan van
tu cach » tu cac
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 thu hang hoa nganh khoa hoc xa hoi va ((nhan van) OR (phan van))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach hoc tap, nghien thu hang hoa nganh khoa hoc xa hoi va ((nhan van) OR (phan van))".
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien thu hang hoa nganh khoa hoc xa hoi va ((nhan van) OR (phan van))*.