I would like to modify the search results to leave out some of the courses that I had added so that the generated schedules work better for me. Can I do that?

If you decide to drop a course from your schedule, that’s not a problem. On the mySchedule Builder main page, locate the Courses section on the left side of the screen above the schedules listing. Uncheck the course, or courses, which you want removed from your schedule. Click the ‘Generate Schedules’ button again to get a new list of schedules.