Hello @JRSG
Thank you for contacting the Canvas Community. We're sorry to hear you've been experiencing issues with locating and using brand new courses in Canvas. It can depend on the school or institution but normally, your actual Canvas courses (with students) are generated by the school directly and will appear in your Canvas once it has been created, and you have been enrolled as the teacher. You can double check for all courses (past, present, future) by clicking on the courses icon on the left and going to all courses. Any upcoming courses would be under "future enrollments" You can then add these classes to your dashboard by highlighting the star on the left.
However, if it isn't here and you are ready to start working on the course, you would want to speak with your school directly. There is a slim chance the school allows you to create your own class and enroll students, but most regular universities and school districts do not follow this route because grades and enrollments are tied to the school directly. If so, you'd check to create a new course this way:
https://community.canvaslms.com/t5/Instructor-Guide/How-do-I-create-a-new-course-from-the-Dashboard-...
If you don't have that option, nor is the course under "all courses" then you will want to speak with the school and ask them to create the course and give it to you. Hopefully this helps!