Here’s how to create a custom product search page:
1. Go to WordPress Dashboard.

2. Select ProductX, then Go to WooCommerce Builder.

3. Select Add product search. Select Start from scratch (if you want to make it from scratch) or Import a template (if you want a premade template).

4. Name your Template, click the icon (toggle block inserter), and then add the desired Blocks to complete your product search page. Now hit Publish.

And you have successfully created your custom product search page.