I'm not sure I can go into the details. The answer to that is yes, but usually what is identified is not only the general topic, but other data that is associated with that word. That's the usefulness and the preciseness of the system that has been put in place, so you can do research that can guide you to the information you are looking for.
As you can imagine, if individuals would want to identify the precise name of the petition, you could lose some of those elements.