You have to make a 4 match right off the bat, unlock the color bomb, and mix it, that will release the remaining color bombs and you just need to match them up. The points aren’t a problem once you release the color bombs.
Patricia Frederick’s Tips for Candy Crush Level 212
Release the color bomb on the bottom and match it with a striped candy. This will usually release the upper color bombs and you just have to match them with a colored candy to have them count.