Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
vu cach » va cach, ve cach, vu bach
hieu va » lieu va, hieu qua
hanh di » hanh vi, hanh de, hang di
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
cach ly » cach le, cach lam
hieu ve » hieu van
mang xa » lang xa, mang may, dang xay
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu cach ly ((mang xa) or (nang cao)) hoi. ((hieu ve) or (hieu va)) cham xuc van hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu cach ly ((mang xa) OR (nang cao)) hoi. ((hieu ve) OR (hieu va)) cham xuc van hanh di cua tre.
• Adding a wildcard symbol may retrieve word variants: vu cach ly ((mang xa) or (nang cao)) hoi. ((hieu ve) or (hieu va)) cham xuc van hanh di cua tre*.