Answers for "wordpress search by title"

wordpress get site title

You are not outputting anything to show. You are only assigning blog name to a variable. You need to echo the content. It should be :

<h1><?php echo get_bloginfo( 'name' ); ?></h1>
Hope this helps :)

search post by post title in wordpres

Code
$args = array("post_type" => "mytype", "s" => $title);
$query = get_posts( $args );