Keep them in their coop (be sure it is well ventilated) for about a week, so they know it's home.
Spend as much time with them as you can, not necessarily holding them, but just being around them and letting them understand you're ok. As they become less skittish you can start the holding/petting.
Feed them lots of treats. If they won't come near you, start out by putting it on the ground (or in a bowl/container) and standing back while they eat. When they start getting used to your being there, gradually move closer until you get to the point where you can hold the treats in your hand and they come to you for it.
Also, when you feed them, call them. I call, "Heeeere chicky chicky chicky" for my girls when I feed them or have a treat. That way they'll know you're where their food comes from, and as chickens, they should love food.
Best of luck!