Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghien huu » nghien cuu, nguyen huu, nhiem huu
nganh khoa » nganh hoa, doanh khoa, anh khoa
sach hoi » sach doi, sach moi, cach thoi
nhan van » nhan dan, nhan va, phan van
su sach » so sach, vu sach
hoi tai » hoc tai, hoi trac
huu mot » cuu mot, huy mot, hieu mot
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: su sach hoi tai, nghien huu mot goc ((nganh khoa) OR (nganh khong)) hoc xa hoi va nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach hoi tai, nghien huu mot goc ((nganh khoa) OR (nganh khong)) hoc xa hoi va nhan van".
• Adding a wildcard symbol may retrieve word variants: su sach hoi tai, nghien huu mot goc ((nganh khoa) OR (nganh khong)) hoc xa hoi va nhan van*.