Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
nganh khoa » nganh hoa, nganh khong, doanh khoa
coc nganh » hoc nganh, cac nganh, chuc nganh
cach noi » cach thoi, hanh noi, anh noi
cong coc » cong cuoc, cong cac, cong co
khoa hoc » hoa hoc
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
noi tap » toi tap, ngoai tap, noi tiep
nhan va » nhan tai, nhan tao, phan van
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 noi tap, nghien thu cong coc nganh khoa hoc xa hoi va ((nhan va) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach noi tap, nghien thu cong coc nganh khoa hoc xa hoi va ((nhan va) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: tu cach noi tap, nghien thu cong coc nganh khoa hoc xa hoi va ((nhan va) or (nhan dan))*.