magento-test/app/code/Magento/Backend/view/adminhtml/templates/dashboard/searches.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
?>
<?php if (count($block->getCollection()->getItems()) > 0) : ?>
    <div class="searches-results">
        <?php foreach ($block->getCollection()->getItems() as $item) : ?>
        <span><?= $block->escapeHtml($item->getQueryText()) ?></span><br />
        <?php endforeach; ?>
    </div>
<?php else : ?>
    <div class="empty-text"><?= $block->escapeHtml(__('There are no search keywords.')) ?></div>
<?php endif; ?>