Perhaps you should try some spelling variations:
ninh doanh » kinh doanh, minh doanh, chinh doanh
khoa tieng » thoai tieng, hoc tieng, khoa tinh
hang khoa » dung khoa
tieng ket » tieng viet, thien ket, lien ket
hieu quan » lieu quan, thien quan, lien quan
doanh han » doanh nhan, doanh hoan, doanh phan
ban hang » ngan hang
tieu qua » lieu quan, tieu luan, dieu quan
han hien » van hien, hoan thien, thanh hien

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 tieng ket qua ((((tieu qua) OR (hieu qua))) or (hieu quan)) ninh doanh han hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ban hang khoa tieng ket qua ((((tieu qua) OR (hieu qua))) OR (hieu quan)) ninh doanh han hien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa tieng ket qua ((((tieu qua) OR (hieu qua))) or (hieu quan)) ninh doanh han hien".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa tieng ket qua ((((tieu qua) OR (hieu qua))) or (hieu quan)) ninh doanh han hien*.