Roles and permissions

Hay Guys!!

I need some help to resolve a situation. I need to create a function in witch the users will see all the courses but not necessarily will be enrolled in them, in the same way it happens with the administrator.
In fact, five the administration role too them well resolve the problem, but it is necessary, to avoid complications, that only the following items on the Administration Box will be available: Users, Courses and Reports.
Does someone know how to hide the other options?

Note: Our version is 1.9.2 with My Moodle enabled. Hope you can help me.

Best Regards,

Airton