Perhaps you should try some spelling variations:
thuat thanh » thuan thanh, thuat than, thuat toan
thanh ky » hanh ky, than ky, thanh tay
cua tre » cua te, cuu tre, cua triet
qua ca » qua cac, qua cua, qua cai
xuc va » tuc va, luc va, xac va
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.

• Performing a fuzzy search may retrieve terms with similar spellings: thuat thanh ky nang x hoi. hieu qua ca ((xuc va) or (duc va)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat thanh ky nang x hoi. hieu qua ca ((xuc va) OR (duc va)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: thuat thanh ky nang x hoi. hieu qua ca ((xuc va) or (duc va)) hanh vi cua tre*.