Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va
cham xuc » cam xuc, chat xuc, cham soc
ban hanh » ban hang
ky mang » ky nang, ke mang, ky dang
may hoi » may thoi, tay hoi, mai hoi
hieu ve » hieu va
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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 cac ky mang may hoi. ((hieu ve) OR (((hieu van) OR (thien van)))) cham xuc ban hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky mang may hoi. ((hieu ve) or (((hieu van) OR (thien van)))) cham xuc ban hanh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu cac ky mang may hoi. ((hieu ve) or (((hieu van) OR (thien van)))) cham xuc ban hanh vi cua tre*.