Perhaps you should try some spelling variations:
doanh khoa » toan khoa
luc doanh » muc doanh, luat doanh, luc canh
cach noi » cach thoi, hanh noi, anh noi
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
khoa hoc » hoa hoc
tu cach » tu cac
noi tap » toi tap, ngoai tap, noi tiep
phan ba » phan bo, phan dau, phan lap
nhan va » nhan tai, nhan dan, nhan tao
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 cuu dong luc doanh khoa hoc xa hoi va ((phan ba) or (nhan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach noi tap, nghien cuu dong luc doanh khoa hoc xa hoi va ((phan ba) OR (nhan va)).
• Adding a wildcard symbol may retrieve word variants: tu cach noi tap, nghien cuu dong luc doanh khoa hoc xa hoi va ((phan ba) or (nhan va))*.