Besides finding non-exact matches in your content, Fuzzy Search for @getkirby offers some neat features like the ability to search through a custom page method. https://github.com/pedroborges/kirby-fuzzy-search

blog.php

<?php

// site/controllers/blog.php
return function($site, $pages, $page) {
    $query    = esc(get('q'));
    $articles = $page->children()->visible()->flip();

    if ($query) {
        $articles = $articles->fuzzySearch($query, 'title|text|authorName');
    }

    $perpage    = $page->perpage()->int();
    $articles   = $articles->paginate($perpage >= 1 ? $perpage : 5);
    $pagination = $articles->pagination();

    return compact('articles', 'pagination', 'query');
};

methods.php

<?php

// site/plugins/methods.php
page::$methods['authorName'] = function($page) {
    $author = $page->author()->value();

    if ($user = site()->user($author)) {
        return $user->firstname().' '.$user->lastname();
    }
};