Perhaps you should try some spelling variations:
ban hanh » ban hang
hieu va » lieu va, hieu qua
va hanh » van hanh, va thanh, dao hanh
va danh » va dinh, va dan, dia danh
cua tre » cua te, cuu tre, cua triet
te sai » te tai, te bai, te lai
sai ky » sac ky
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de 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: te sai ky nang x hoi. hieu va cam xuc ((((va hanh) OR (ban hanh))) OR (va danh)) di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky nang x hoi. hieu va cam xuc ((((va hanh) OR (ban hanh))) or (va danh)) di cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sai ky nang x hoi. hieu va cam xuc ((((va hanh) OR (ban hanh))) or (va danh)) di cua tre*.