You can try to comb through your journal entries and look for dream signs. See if there are at least some recurring signs. A dream sign can be anything...a character, object, environment/setting, an action, certain temperature, smell, etc. Also, make sure that you aren't just going through the motions when you perform your RCs. Take a moment to look around at your environment and ask yourself, "Could I be dreaming right now?" Now pretend that everything around you is actually a dream. Perform your RC and see if you actually are. If you can question reality while you are awake, you will do the same in your dreams. Good luck to you and if you have any further questions, don't hesitate to ask!