Perhaps you should try some spelling variations:
nghien huu » nghien cuu, nguyen huu, nhiem huu
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
cach noi » cach thoi, hanh noi, anh noi
tung hoc » trung hoc, tuong hoc, dung hoc
khoa hoc » hoa hoc
nhan dan » phan dau, gian dan, nhan tai
phan van » pham van, thanh van, luan van
su cach » su sach, tu cach, su cac
noi tap » toi tap, ngoai tap, noi tiep
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 cach noi tap, nghien huu tung hoc nganh khoa hoc xa hoi va ((nhan dan) or (phan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach noi tap, nghien huu tung hoc nganh khoa hoc xa hoi va ((nhan dan) OR (phan van)).
• Adding a wildcard symbol may retrieve word variants: su cach noi tap, nghien huu tung hoc nganh khoa hoc xa hoi va ((nhan dan) or (phan van))*.