The Drill store is the gathering place of drills accessible to all users.
If you visit the Drill Store, you can use the search bar to search by subject.
It is possible to search the Drill Store for multiple search terms. To do this, add the word "AND" between each search term.
If you have found a drill or course in the Drill Store you can add it to your repertoire. You can also add them to a group you have management rights to.