>>3304573But in that case you have to be quick before they notice you. Then they will look at you anyway. But if they look in the camera it's still kind of candid.
But like your photo when they don't notice you, usually when you're far away, it's difficult to bring out any kind of subject or theme. Those girls are just walking to a bus stop I presume.
In the case of my photo in this post, I managed to catch this mom and daughter having fun on a bicycle. My only complaint is they are not in focus.