Perhaps you should try some spelling variations:
doanh khoa » toan khoa
cuc doanh » cac doanh, cua doanh, muc doanh
thu sinh » thu minh, thu kinh, thuoc sinh
cuu dong » cuu cong, cuu tong, cuu long
dong cuc » dong luc, dong cua, tong cuc
khoa hoc » hoa hoc
nhan dan » phan dau, gian dan, nhan tai
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: thu sinh hoc tap, nghien cuu dong cuc doanh khoa hoc xa hoi dap ((nhan va) OR (nhan dan))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sinh hoc tap, nghien cuu dong cuc doanh khoa hoc xa hoi dap ((nhan va) OR (nhan dan))".
• Adding a wildcard symbol may retrieve word variants: thu sinh hoc tap, nghien cuu dong cuc doanh khoa hoc xa hoi dap ((nhan va) OR (nhan dan))*.