Hi @MorganGrillier ...
For questions like this, you're going to need to reach out to Valencia College's staff that can help you with finding your courses in Canvas. In particular, you might try contacting your school's Online Learning / Distance Learning / eLearning department. I found this page on Valencia's website that might be of help to you:
Hopefully someone will be able to figure out what happened to those courses. Good luck to you!
