WP Extended Search
Control WordPress default search to search in Post Meta, Categories, Tags or Custom Taxonomies via admin settings. Admin can select meta keys to search in, also can control the default behavior of search in post title or post content.
You can include or exclude post types to appear in search results.
Contributing
If you have spotted an issue or want to suggest a new feature then please submit a new issue or if you want to submit a patch then please send a pull request.