The slower you walk along the street, the more that you will see. The more that you will see, the more you will make photographs. As long as you are making new photographs, consider yourself a successful street photographer.
Fast camera operation
I also believe that it’s important to photograph quickly and without much intention. Stop putting too much thought in your compositions and just snapshot away with speed, and intensity. Don’t make only a single photograph, but photograph your way through the scene.
I don’t leave the scene until the scene leaves me
A simple heuristic for working a scene is to not leave until it leaves you. Watch as the scene unfolds before your eyes and you will be surprised by what you will find after a series of pictures made with repetition.