Search Problem

Relevanssi by default only searches for words that are at least three characters long. You can adjust that from Relevanssi settings, but be warned, results for a one-character search will be pretty much absolutely pointless. After all, your every post will contain the letter “a” somewhere in it, so Relevanssi will just return all posts, and the order will be random.

Relevanssi doesn’t and shouldn’t return posts in alphabetical order. The results are returned in the order of relevancy. However, if you’re doing one-character searches, Relevanssi won’t have any idea which of the posts is more important than the other, so order will be effectively random.

If you want alphabetical ordering by post title, you can add this to your theme functions.php:

add_filter('relevanssi_orderby', 'rlv_title_order');
function rlv_title_order($orderby) {
    return "post_title";
}
add_filter('relevanssi_order', 'rlv_order_title');
function rlv_order_title($order) {
    return "asc";
}

That will return posts in alphabetical order by title. You’ll remove most of the benefit you get from Relevanssi that way, though.

Thank you for your explanation and advise.

If that is the case, I won’t be adding this to my functions.php.

By the way, I notice that letter A has already been listed in the stopword. However, letter B to Z still can be seen in the search result even since I have set it to ” Minimum Word Length To index:3 “. Please advise.

Thanks.

If you’ve set the minimum length to 3, then Relevanssi won’t index any words shorter than that. You need to rebuild the index for that to have any effect, though. Once you rebuild the index, there shouldn’t be any one- or two-letter words in the index.

I have clicked the “save indexing options, erase index and rebuild the index” button, but a single text b to z still show in search results.

I even changed and set the minimum length to 5, click the button and still a single text is shown.

Thanks.

What do you mean “single text is shown”? Shown where and how?

Even with the minimum word length set to a bigger value, you will find results with single-letter searches, and the letters will be highlighted in the search results pages. That still doesn’t mean Relevanssi is indexing those letters.