WordPress Plugin Directory not showing relevant results

[sslzen]

Hello. When searching for SSL and HTTPS in wp plugin directory I'm seeing irrelevant as well as plugins with a lower rating, lower active install counts, lower support tickets resolved ranking above my plugin.

My Plugin: ​https://wordpress.org/plugins/ssl-zen/

Before asking for help, I thought I'd read https://meta.trac.wordpress.org/browser/sites/trunk/wordpress.org/public_html/wp-content/plugins/plugin-directory/libs/site-search/jetpack-search.php and see how the plugin directory works and in this case it doesn't seem to be following the algorithm.

Case 1: W3 Total Cache
The plugin is ranked #3 for SSL.

1. The Title, Slug, Excerpt or tags do not mention SSL

Case 2: WP LetsEncrypt – ONE CLICK single / wildcard Free SSL certificate & force HTTPS
The plugin is ranked #4 for SSL versus my plugin which is ranked #6

1. The plugin has 1,000+ active installs compared to SSL Zen's 10,000 active installs
2. The plugin has a rating of 4.5 compared to SSL Zen's 4.8 rating
3. The plugin has 11/13 support issues resolved, compared to SSL Zen's 3/3 support issues resolved

FYI, my plugin was ranking #2 for SSL for as long as I remember and recently moved to #6

[Otto42]

The description for all those plugins contain the word "SSL". The entire readme is included in searches, not just "Title, Slug, Excerpt or tags".

[sslzen]

How about case #2? It doesn't follow the rules laid out in the algorithm. What am I missing?

Case 2: WP LetsEncrypt – ONE CLICK single / wildcard Free SSL certificate & force HTTPS
The plugin is ranked #4 for SSL versus my plugin which is ranked #6
The plugin has 1,000+ active installs compared to SSL Zen's 10,000 active installs
The plugin has a rating of 4.5 compared to SSL Zen's 4.8 rating
The plugin has 11/13 support issues resolved, compared to SSL Zen's 3/3 support issues resolved

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The description for all those plugins contain the word "SSL". The entire readme is included in searches, not just "Title, Slug, Excerpt or tags".

The code says that if a plugin title and tag match the search term, it's prioritized over other plugins, that doesn't seem to be the case in W3 Total Cache.

array(
'multi_match' => array(
'query'  => $args['query'],
'fields' => $boost_title_fields,
'type'   => 'best_fields',
'boost'  => 2,