I won the chargeback but only...

[Ezz22]

So, I made 4 chargeback against the same seller but I only won 1 of 4 cases while all the cases are the same thing. Why is that happening?

Dear ....,
We have concluded our investigation into your case and have decided in your
favor.

and the 3 of them...

Dear ....,

We've now completed our review of your case (PP-###-###-###-236). Unfortunately, we were unable to decide this case in your favour.

What should I do next?