Teleport all entity doesn't work even at short distance

I walked into a mineshaft
then i tp @e[type=chest_minecart] ~ ~ ~
many minecarts with chest tp to my location
when I continue to explore the mineshaft, I found a minecart with chest at a SHORT distance
don't comment like "tp @e works only at short distance"
the second minecart I found was 30 blocks away from where I tp all