Perhaps you should try some spelling variations:
danh sai » dung sai, danh bat, hanh san
danh dau » lanh dao, hang dau, danh tu
ban hanh » ban hang
qua chat » qua nhat, qua cham, luan chat
chat xuc » chat huu, cam xuc, chao xu
xuc ban » duc ban, cuc ban, quoc ban
vai cua » dai cua, hai cua, lai cua
vi cua » di cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky ((danh sai) OR (danh dau)) hoi. hieu qua chat xuc ban hanh ((vi cua) or (vai cua)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky ((danh sai) OR (danh dau)) hoi. hieu qua chat xuc ban hanh ((vi cua) OR (vai cua)) tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((danh sai) OR (danh dau)) hoi. hieu qua chat xuc ban hanh ((vi cua) or (vai cua)) tu".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((danh sai) OR (danh dau)) hoi. hieu qua chat xuc ban hanh ((vi cua) or (vai cua)) tu*.