My search form do not searching

Hi everybody, i’ve got my search-form and i’ve got my search.php

<?php
/*
Template Name: Search Page
*/
?>
<?php
get_header();
?>

	<div class="all-posts">
		<?php if ( have_posts() ) : ?>
			<?php printf( __( 'Search Results for: %s', 'politeka' ), get_search_query() ); ?>

			<div class="grid-row">

				<div class="grid-2 content">

					<div class="articles">

						<h2><?php single_cat_title(); ?></h2>

						<div class="post-categories">
							<a href="#">Все новости</a>
							<a href="#">Статьи</a>
							<a href="#">Эксклюзивы</a>
						</div>

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

							<?php get_template_part( 'content' ); ?>

						<?php
						endwhile;
						?>

						<!--start pagination-->
						<?php deco_load_more(); ?>
						<!--end pagination-->
					</div>

				</div>

				<div class="sidebar">
					<?php get_sidebar( 'deco_sidebar' ); ?>

				</div>
				<!--end sidebar-->

			</div>
		<?php
		else :
			// If no content, include the "No posts found" template.
			get_template_part( 'content', 'none' );
			?>

		<?php endif; ?>
	</div>
	<!--end all-posts-->

<?php
get_footer();
?>

But they do not searching any content i enter, pls somebody help me)
Thanks.