First of all add Search Everything plugin and set custom fields search.
Then go to you current theme in Wordpress and open this file “search.php”.
In “search.php” file one can see code as per
In WordPress site, when we are doing custom changes in theme or plugins, we may need to pass argument or variable through the WordPress URL. Here we hare going to learn how to Add query string parameter/arguments to WordPress URL.
Do you want to modify your default Forgot password mail content ? Here we will learn how to customize Reset Password Email content in WordPress. Just copy paste the below code in function.php file :