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
cong coc » cong cuoc, cong cac, cong co
khoa hoc » hoa hoc
tu cach » tu cac
noi tap » toi tap, ngoai tap, noi tiep
va phan » van phan, va phat, va phap
phan va » phan van, nhan va, han va
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) or (ngoai tru)), nghien thu cong coc nganh khoa hoc xa hoi va phan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach ((noi tap) OR (ngoai tru)), nghien thu cong coc nganh khoa hoc xa hoi va phan va.
• Adding a wildcard symbol may retrieve word variants: tu cach ((noi tap) or (ngoai tru)), nghien thu cong coc nganh khoa hoc xa hoi va phan va*.