Whether your shooting street photography or doing editorial photojournalist work it's very important to work the scene in your photography. Here are a couple videos that discuss this topic.
The book Magnum Contact Sheets is a great way to see how some of the masters of photography would work the scene. In this book you get to see their contact sheets and you can often see it's not just one magic decisive moment, they have to work and work and work to get the shot.
More photography videos.
More photography books.
Start learning photography today.