By your question it seems you live in a city. Well there are two reasons for this: Light Pollution & Air Pollution : The bright city lights which get diffused in the sky and the smoke in the atmosphere camouflague the dim stars, thus rearing them imperceivable. Try to go to a countryside sometimes on a new moon night. You'll surely see the stars. read more
This means that you can see stars more easily by not looking directly at them. The image you linked to was obviously taken by a camera which is able to take in more light over an extended period of time than our eyes. The camera can capture more light which means it can see more stars. read more