Omphaloskepsis/template-parts/content-none.php

<?php
/**
 * The template part for displaying a message that posts cannot be found.
 *
 * @package WordPress
 * @subpackage Omphaloskepsis
 * @since Omphaloskepsis 1.0
 */

?>

<section class="no-results not-found">
<header class="page-header">
<h1 class="page-title">Nothing Found</h1>
</header><!-- .page-header -->

<div class="page-content">
<?php if ( is_search() ) : ?>

<p><?php esc_html_e( 'Sorry, but nothing matched your search terms. Please try again with some different keywords.', 'twentysixteen' ); ?></p>
	<?php get_search_form(); ?>

<?php else : ?>

<p><?php esc_html_e( 'It seems we can&rsquo;t find what you&rsquo;re looking for. Perhaps searching can help.', 'twentysixteen' ); ?></p>
	<?php get_search_form(); ?>

<?php endif; ?>
</div><!-- .page-content -->
</section><!-- .no-results -->