My Courses in the Navigation block on your Dashboard lists all your courses (including hidden ones). If you are an editor and your course code and title appear in grey then the course is hidden from students:
By default, courses are set to be unavailable to students. Once your course is ready, you can make it visible by following the steps below:
1. Log onto Moodle and go to your course
2. Look in the ADMINISTRATION block and click Edit settings
3. Change the Visible setting to Show
4. Click Save and Display on the bottom of the page
Your course will now be listed: it will appear on students My courses list, on their Dashboard and when they search for it.