http://www.clashwiki.com presents the Giant-Healer attack strategy. With this 5 step strategy you will be able to raid almost every village with 2 or 3 stars.
@0:07 attack #1 with giants, healers, wall breakers, barbarians and goblins.
@3:36 attack #2 with giants, healers, wall breakers and barbarians
@7:06 attack $3 with giants, healers, wall breakers and wizards
Be sure to follow these 5 steps:
Step 1: Find the right village
Step 2: Take out the air defense
Step 3: Deploy the healers
Read the other steps in our tutorial: http://www.clashwiki.com/giant-healer-strategy/
You can also mix with troops like the wizard instead of barbarians and archers. Try what suits you best.