You must create a different search form for your post type, so that search results can be displayed according to post type.

You can add this to your search form
```
<input type="hidden" name="post_type" value="meetup_groups">
```
Example : 

```
<form method="get" id="my-custom-searchform" action="<?php echo esc_url(home_url( '/' )); ?>">
		<input type="text" value="<?php the_search_query(); ?>" name="s" id="s" placeholder="<?php echo esc_attr__( 'Search ...', 'text-domain' ); ?>" />
		<button type="submit"><?php echo esc_html__('Search','text-domain'); ?></button>
<input type ="hidden" name="post_type" value="meetup_groups">
</form>
```

You also have to change the file <code>search.php</code>
To display as you see fit.

You must create a file that contains something like this to display the post type search.

For example I make a <code>meetup-groups.php</code> file with the following code.

```

 <div class="meetup-groups">

   

            <?php if (have_posts()) : while (have_posts()) : the_post();  ?>

            <!-- do stuff -->
            <a href="<?php echo esc_url( get_field('meetup_group_link') ); ?>">
                <div class="meetup-card">
                <div class="meetup-overlay"></div>
                <img src="<?php the_post_thumbnail('medium'); ?>">
                <div class="meetup-card-text"><h3><?php the_title(); ?></h3>
                <div class="meetup-location"><h4><?php the_field('city'); ?><br><?php the_field('country'); ?></h4></div></div>
            </div></a>



            <?php endwhile; 
endif; ?>

            </div>
```
Then call the file in the php file <code>search.php</code> file

example `search.php` file
```
<?php get_header(); ?>
<?php
if (is_post_type_archive('meetup_groups') || is_tax('meetup_groups-category') || is_tax('meetup_groups-tags')){
get_template_part('meetup-groups.php');

} else {

// Add Default WordPress Loop 

}
?>
<?php get_foooter(); ?>
```

This code, depends on how you make custom taxonomy
```
if (is_post_type_archive('meetup_groups') || is_tax('meetup_groups-category') || is_tax('meetup_groups-tags')){
```