Start with your constraints
Decide what location, timetable, travel and study mode can work in real life. That immediately makes the search more useful.
Compare content, not just titles
Courses with similar names can have different modules, assessments and career focus. Read the detail before making a shortlist.
Keep a decision record
Note the reasons each course is on your shortlist, the questions still unanswered and the application deadlines you need to track.