Install
Upload it under Plugins → Add New Plugin → Upload Plugin, then activate.
Install straight from GitHub with WP-CLI:
wp plugin install https://github.com/jarretc/odd-course-search-for-learndash/releases/download/v1.0.1/odd-course-search-for-learndash-v1.0.1.zipNo built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.

Shortcode to search all or currently enrolled courses in LearnDash.
Shortcode: [ld_course_search]
It contains 2 parameters to control the display
[ld_course_search enrolled="yes"]
[ld_course_search content="yes"]
By default, all courses and only the course title will display in the search results.
Note: Requires the LearnDash plugin.
Releases
2 releases. Each count is every asset in that release; expand a row for the breakdown.