Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
duc manh » suc manh, duc anh, duc minh
cua tre » cua te, cuu tre, cua triet
xuc van » duc van, luc van, vuc van
ky tang » ky nang, ky dang, kho tang
tang ha » lang ha, tang ma, trung ha
hieu ve » hieu van
hieu va » lieu va, hieu qua
tu bai » tu ban, tu bat, te bai
bai ky » ban ky, sai ky, bac ky
ha hoi » hoa hoi, ha noi, xa hoi

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 bai ky tang ha hoi. ((hieu ve) OR (hieu va)) chat ((xuc van) OR (duc manh)) hanh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu bai ky tang ha hoi. ((hieu ve) OR (hieu va)) chat ((xuc van) or (duc manh)) hanh dai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu bai ky tang ha hoi. ((hieu ve) OR (hieu va)) chat ((xuc van) or (duc manh)) hanh dai cua tre*.