Today I created a web app that allows students to search any video I've created for our math courses. Also moving forward the ifttt.com recipe that captures any YouTube video I upload to a Google Spreadsheets is handy too.
Any word found in the description filters the list down in real-time. This will be kind of nice too in the topics that have overlap in various courses as well. Summer is a great time to dive into learning Google Apps Scripts if you are contemplating it!