Custom search query - php

Question

I've made a custom search form, a query using a custom post type with categories, custom taxonomy and meta fields and a search template for displaying them but cannot get the results to show. I'm using Wordpress. I've changed the way to make the query using pre_get_posts but have trouble now how to display the result. All variables are passed into query_vars.
Below is my code:
function my_get_posts( $query ) {
if ( is_admin() || ! $query->is_main_query() )
return;
if (is_home() || is_search() || is_archive() || is_page( 'search' ) )
{
$query->set('post_type', 'yacht');
$query->set('posts_per_page', 1000);
$query->set('s', '' );
$meta_query = array();
$meta_query[] = array(
array(
'key' => 'yachts_length',
'value' => array($_GET['min_length'], $_GET['max_length']),
'compare' => 'BETWEEN',
'type' => 'NUMERIC',
),
array(
'key' => 'yachts_price',
'value' => array($_GET['min_price'], $_GET['max_price']),
'compare' => 'BETWEEN',
'type' => 'NUMERIC',
),
array(
'key' => 'yachts_year',
'value' => array($_GET['min_year'], $_GET['max_year']),
'compare' => 'BETWEEN',
'type' => 'NUMERIC',
)
);
$meta_query['relation'] = 'AND';
$query->set('meta_query',$meta_query);
}
return $query;
}
add_action( 'pre_get_posts', 'my_get_posts');
And the query_vars output using the form:
Array
(
[cat] => 0
[page] => 0
[pagename] => search
[manufacturer] => 0
[min_length] => 3
[max_length] => 100
[min_price] => 500
[max_price] => 999999
[min_year] => 1970
[max_year] => 2015
[error] =>
[m] =>
[p] => 0
[post_parent] =>
[subpost] =>
[subpost_id] =>
[attachment] =>
[attachment_id] => 0
[name] => search
[static] =>
[page_id] => 0
[second] =>
[minute] =>
[hour] =>
[day] => 0
[monthnum] => 0
[year] => 0
[w] => 0
[category_name] =>
[tag] =>
[tag_id] =>
[author] =>
[author_name] =>
[feed] =>
[tb] =>
[paged] => 0
[comments_popup] =>
[meta_key] =>
[meta_value] =>
[preview] =>
[s] =>
[sentence] =>
[fields] =>
[menu_order] =>
[category__in] => Array
(
)
[category__not_in] => Array
(
)
[category__and] => Array
(
)
[post__in] => Array
(
)
[post__not_in] => Array
(
)
[tag__in] => Array
(
)
[tag__not_in] => Array
(
)
[tag__and] => Array
(
)
[tag_slug__in] => Array
(
)
[tag_slug__and] => Array
(
)
[post_parent__in] => Array
(
)
[post_parent__not_in] => Array
(
)
[author__in] => Array
(
)
[author__not_in] => Array
(
)
[orderby] => menu_order
[order] => ASC
[post_type] => yacht
[posts_per_page] => 1000
[meta_query] => Array
(
[0] => Array
(
[0] => Array
(
[key] => yachts_length
[value] => Array
(
[0] => 3
[1] => 100
)
[compare] => BETWEEN
[type] => NUMERIC
)
[1] => Array
(
[key] => yachts_price
[value] => Array
(
[0] => 500
[1] => 999999
)
[compare] => BETWEEN
[type] => NUMERIC
)
[2] => Array
(
[key] => yachts_year
[value] => Array
(
[0] => 1970
[1] => 2015
)
[compare] => BETWEEN
[type] => NUMERIC
)
)
[relation] => AND
)
[ignore_sticky_posts] =>
[suppress_filters] =>
[cache_results] => 1
[update_post_term_cache] => 1
[update_post_meta_cache] => 1
[nopaging] =>
[comments_per_page] => 50
[no_found_rows] =>
)