Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
doanh hoan » doanh doanh, doanh khoa, doanh nhan
hoc tieng » hoc hien
tieng ket » tieng viet, thien ket, lien ket
lieu quan » lien quan, lieu van
hoan hien » hoan thien, han hien, hoa hien
ban hang » ngan hang
hang hoc » hang hoa, nang hoc, bang hoc

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 hoc tieng ket qua ((lieu quan) OR (hieu qua)) chinh doanh hoan hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang hoc tieng ket qua ((lieu quan) OR (hieu qua)) chinh doanh hoan hien".
• Adding a wildcard symbol may retrieve word variants: ban hang hoc tieng ket qua ((lieu quan) OR (hieu qua)) chinh doanh hoan hien*.