Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nganh khoa » nganh hoa, doanh khoa, anh khoa
cach hoc » cach thuc, cach thoi, dich hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
te cach » ve cach, te sach, tu cach
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
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: te cach hoc tap, nghien cuu dong hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cach hoc tap, nghien cuu dong hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: te cach hoc tap, nghien cuu dong hoc ((nganh khoa) OR (nganh khong)) hoc xa hoi va nhan va*.