Increase Trim on Post Title and Excerpt

I am trying to show more than the 7 words from the title and 18 words from the content on the Home Page (latest posts).

I tried modifying the index.php file in each location that says:
<?php echo wp_trim_words($title, 7);?> to <?php echo wp_trim_words($title, 25);?>
and
<?php echo wp_trim_words($content, 18);?> to <?php echo wp_trim_words($content, 55);?>
but that didn’t work.

The parent theme Daron allows longer titles and content on the Home Page. Is there something else that’s limiting the words displayed?