force_source.php

<?php

$query = [
    'index' => $this->subdomain,
    'type' => ['topics', 'documents'],
    'body' => [
        'query' => [
            'multi_match' => [
                'query' =>  $queryParams['content'],
                'fields' => ['name^5', 'description^4', 'h*^3', 'content^2', 'pinned', 'related'],
                'fuzziness' => 'AUTO',
                'prefix_length' => 2
            ]
        ],
        'highlight' => [
            'fields' => [
                '*' => [
                    'force_source' => true,
                    'require_field_match' => false
                ]
            ]
        ]
    ]
];