require('vendor/autoload.php');

use Emis\Http\Client;
use Emis\Document\Api\Proxy\Search;

$client = new Client();
$client->setApi(Client::DOCUMENTS_API);
$client->setToken("YOUR_TOKEN");

$search = new Search($client);
$result = $search->query('HU');

foreach ($result->getDocuments() as $document) {
    $subResult = $search->getDocuments($document->getId());

    foreach ($subResult->getDocuments() as $subDocument) {
        echo $subDocument->getTitle() . "\n";
    }
}