Perhaps you should try some spelling variations:
doanh hoan » doanh doanh, doanh khoa, doanh nhan
minh doanh » kinh doanh, minh danh, minh doan
hang khoa » dung khoa
trinh tai » trinh toan, trinh han, chinh tai
hoan hien » hoan thien, han hien, hoa hien
ban hang » ngan hang
luan ket » lien ket
trinh tu » trinh ky, trinh do

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

• Performing a fuzzy search may retrieve terms with similar spellings: ban hang khoa luan ket qua ((trinh tai) OR (trinh tu)) minh doanh hoan hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket qua ((trinh tai) OR (trinh tu)) minh doanh hoan hien".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket qua ((trinh tai) OR (trinh tu)) minh doanh hoan hien*.