Search is not working for mew

<script>
    $(document).ready(function() {
        // Initialize Select2
        $('#nameDropdown').select2({
            placeholder: 'Select a name',
            width: '300px',
            minimumInputLength: 0,
            ajax: {
                url: 'get_names.php', // Provide the URL to fetch data from the server
                dataType: 'json',
                processResults: function(data) {
                    return {
                        results: data
                    };
                }
            }
        });
    });
</script>