So the solution for everyone that wants an image next to the article in search results is:
Edit the theme/template-parts/content-search.php and add the following lines of code after line 21
<div class="entry-img" style="float:left">
<?php
if ( has_post_thumbnail() ) { // check if the post Thumbnail
the_post_thumbnail(thumbnail);
} else { //your default img
}
?>
</div>
Then edit styles.css locate the .entry-summary and paste this instead
.page-content,
.entry-content,
.entry-summary { margin: 15px 0 0;
padding-bottom: 100px;
}
And you will get the following result: