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.

J0SiE

Created to help those people who don’t like to edit code in template files (or are too lazy to do that). 
Just activate the plugin and it will automatically show the_excerpts in your homepage, archives and search results. 
It tries to display your custom excerpt text and if it doesn’t find it it will show an automatically generated excerpt. 
You can also define excerpt length, custom read more link and attach a thumbnail.

Auto Excerpt everywhere

Thanks to author for creating this plugin. 
It's works out of box. And working fine at WordPress Version 4.6.1


Works out of the box on WP Version 4.6.1

The plugin automatically displays excerpts instead of full post contents in your blog. Custom excerpts and generated excerpts supported.

WooCommerce Filter Search vs Auto Excerpt everywhere