Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh khoa
nganh nong » nganh cong
cach hoc » cach thuc, cach thoi, dich hoc
cuu hang » cuu khang, cuu nang, cua hang
hang hoc » hang hoa, nang hoc, bang hoc
tu cach » tu cac
va luan » vay luan, van luan, va quan
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 hang hoc ((nganh khong) OR (nganh nong)) hoc xa hoi va luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach hoc tap, nghien cuu hang hoc ((nganh khong) OR (nganh nong)) hoc xa hoi va luan van".
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu hang hoc ((nganh khong) OR (nganh nong)) hoc xa hoi va luan van*.