Perhaps you should try some spelling variations:
luc doanh » muc doanh, luat doanh, luc canh
doanh hoa » doanh khoa, doanh hoan, danh hoa
danh nhan » doanh nhan, thanh nhan, dung nhan
dich hoc » sinh hoc, hinh hoc, tinh hoc
cuu tong » cuu cong, cuu tinh, huu tung
tong luc » dong luc, tong cuc, truong luc
tu dich » te dich, chu dich, hut dich
hoc xa » hoc ma
xa hop » xa hoi, va hop, xa hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu dich hoc tap, nghien cuu tong luc doanh hoa hoc xa hop ((danh nhan) OR (benh nhan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dich hoc tap, nghien cuu tong luc doanh hoa hoc xa hop ((danh nhan) OR (benh nhan)) van".
• Adding a wildcard symbol may retrieve word variants: tu dich hoc tap, nghien cuu tong luc doanh hoa hoc xa hop ((danh nhan) OR (benh nhan)) van*.