how can i get old wordpress data recover in new wordpress

You need to export your content through the WordPress exporter under tools and then you can import it through the importer under tools in your new domain.

Thnaks
But i delete old wordpress without back, so can i get it back from cpanel.
My Trash folder in cpanel is empty

Then you can’t. If you deleted your site there is no way to get it back.

ok

But i have Database back up, so can i get my old post

I can import old database in my wordpress

Ok, if you have a database backup then import it.