magento2 – Magento 2 getproduct collection with catalogsearch leftnav

I want get product collection with catalog search left block
I tried this way

$leftNavBlock = $layout->getBlock('catalogsearch.leftnav');
 $list('options') = $leftNavBlock->getLayer()->getProductCollection()->getFacetedData($code);

but here not getting all options getting only some
brand having
tayota,hundai,honda,nissan,lexus. but by using above code tayota,hundai,honda,lexus.
in search result page it showing all options which assigned by productsenter image description here

enter image description here