Perhaps you should try some spelling variations:
thuat bai » thuat bao, thuyet bai, thuat xay
ly nang » ky nang, ly hang, ly quang
ly vang » ly hang, ly van, ly quang
hieu va » lieu va, hieu qua
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
va cau » van cau, va cac, va dau
vi cua » vai cua, di 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: thuat bai ((ly nang) OR (ly vang)) x hoi. hieu va cau truc va hanh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: thuat bai ((ly nang) or (ly vang)) x hoi. hieu va cau truc va hanh vi cua tre*.