How to Enable Search Tracking for Google Analytics WooCommerce?
While using the WooCommerce enhanced eCommerce analytics integration with conversion tracking, click the checkbox for the Search Tracking option on the Google ECommerce Tracking page > Ecommerce Tracking Configuration section.
Screenshot - 1: ( Search Tracking option )
Enabling this option will activate the collection of search queries, used by the customers/users in your WooCommerce store. This data will be saved in the Behavior > Site Search report.
Screenshot - 2 : ( Google analytics )