Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
hieu ve » hieu van
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua
o hoi » co hoi, o hoc, o hai

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

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