Tyler Tork

Like blog posts, a Page can have an “Excerpt” field to override the automatic excerpt of 55 words from the beginning of the content. However, many themes don’t display this field when editing pages, so you can’t edit it.
This extremely simple plugin forces page excerpt capability “on”. The Page excerpt is visible in internal search results and “Query Loop” blocks, as well as in the output of many plugins (e.g. CC Child Pages). So I generally do want to decide for myself whether to accept the default excerpt.

Torknado Page Excerpt

Pages, like Posts, can have an Excerpt field to override the automatic "first 55 words" excerpt. However, many themes don't enable edit …

Nicola Mustone

Change the search query behaviour searching only in the post/product title. You can add post types to the not allowed list using <a href="https://gist.github.com/SiR-DanieL/8ca1b1b33ab791836a59" rel="nofollow ugc">this code</a>.
By default the unallowed post types are product and shop_webhook.
NOTE: This plugin will always search for products, but the keyword will be compared only with the product title.
<h4>Usage</h4>
Just activate the plugin.

WooCommerce Filter Search

Change the search query behaviour searching only in the post/product title.

Torknado Page Excerpt vs WooCommerce Filter Search