Perhaps you should try some spelling variations:
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
va chua » vua chua, ca chua, va chu
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
cam tu » cam thu, dam tu, tam tu
nam tu » nam thu, nam thuc
va cua » via cua, ca cua, ma cua
x hoi » xa hoi, o hoi, x ho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang x hoi. hieu ve ((cam tu) OR (nam tu)) va hanh ((va cua) OR (va chua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky nang x hoi. hieu ve ((cam tu) or (nam tu)) va hanh ((va cua) OR (va chua)) te~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang x hoi. hieu ve ((cam tu) or (nam tu)) va hanh ((va cua) OR (va chua)) te*.