Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh di » thanh doi, thanh de, thanh do
cham xuc » cam xuc, chat xuc, cham soc
tu cach » tu cac
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu van
nang o » nang co, nang ho, nang ro
di cua » dai cua, doi cua, de cua
o hoc » co hoc, mo hoc, so hoc

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 cach) OR (do sanh)) ky nang o hoc. ((hieu ve) OR (hieu va)) cham xuc van thanh di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cach) or (do sanh)) ky nang o hoc. ((hieu ve) OR (hieu va)) cham xuc van thanh di cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (do sanh)) ky nang o hoc. ((hieu ve) OR (hieu va)) cham xuc van thanh di cua tre*.