Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
hanh doanh » hang doanh, doanh doanh, kinh doanh
hoan chien » hoan thien, hoach chien, doanh chien
hang khoa » dung khoa
ban hang » ngan hang
luan ket » lien ket
qua tiep » qua tieu, cua tiep, qua dieu

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 tiep thi ((hanh doanh) OR (chinh doanh)) hoan chien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ket qua tiep thi ((hanh doanh) OR (chinh doanh)) hoan chien".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ket qua tiep thi ((hanh doanh) OR (chinh doanh)) hoan chien*.