Index: wp-includes/media-template.php
===================================================================
--- wp-includes/media-template.php	(revision 28894)
+++ wp-includes/media-template.php	(working copy)
@@ -174,7 +174,11 @@
 
 		<?php else : ?>
 			<div class="upload-ui">
-				<h3 class="upload-instructions drop-instructions"><?php _e( 'Drop files anywhere to upload' ); ?></h3>
+			    <# if ( document.getElementById("media-search-input").value ) { #>
+			        <h3 class="upload-instructions drop-instructions"><?php _e( 'Media not found' . "<br>" . "Drop files anywhere to upload" ); ?></h3>
+				<# } else { #>
+				    <h3 class="upload-instructions drop-instructions"><?php _e( 'Library empty' . "<br>" . 'Drop files anywhere to upload' ); ?></h3>
+				<# } #>
 				<a href="#" class="browser button button-hero"><?php _e( 'Select Files' ); ?></a>
 			</div>