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