It could be that the psychics you consulted were not particularly good at predictions or whatever you were asking them to do. All psychics have specialties and things they're not so good at.
I wrote an article explaining why I find predictions to be difficult to make:
healingandinsight.com » Blog » Can you predict my future?
Something else that affects the answers...the quality of the questions you ask. An unspecific question can often yield a vague answer and specific questions tend to yield more specific answers.
Finally, remember that you get what you expect through the law of attraction. Hire someone who resonates with you, expect to have a good experience and you probably will.