Cannot find points in curves

[茅英伦]

I tried to find points within curves, but did not work. They are on a same plane, and the curves are all closed. Could somebody help me to take a look, many thx!
point in curve.gh (28.2 KB)

[inno]

this might be a way

point in curve_Re.gh (31.2 KB)

[茅英伦]

It’s working! Thanks!