Hello,
In order to change the product search option from the “404” page, please copy the “wp-content/themes/woodmart/404.php” file to the child theme and make small changes for that by replacing the woodmart_search_form filter value from post to any.
https://monosnap.com/file/JwcmO063OSheJ1VKqYDN28HekvWTk2
If you ever want to discuss things further, we’re here for you. Do not hesitate to reach out to us and let us know how we can make things right.
Kind Regards
.
