My apologies for the delay in replying. In the UK we have had a long 4 day national holiday weekend this last weekend.
To your question. For example, argomenti
?
Did you make a custom version of the results.php file, as detailed here:
https://searchandfilter.com/documentation/search-results/using-a-shortcode/#customising-the-results
It will require some custom code in that file, in the location/line where you want the terms output. For example, for argomenti, it would be something like this (but you can add your own HTML and classes etc):
$taxonomy_terms = get_terms('argomenti');
foreach($taxonomy_terms as $term){
$terms[] = $term->name;
}
if(!empty($terms)) {
echo join(", ", $terms);
unset ($terms);
}