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