Here you can find a walkthrough video in order to complete Candy Crush Level 339
Patricia Frederick’s Tips for Candy Crush Level 339
Any “collect a color” level requires you to keep clearing the board so new candies can keep falling. The changing color candies makes it more difficult, but knowing which color the orange alternates with will allow you to plan somewhat. Use striped/wrapped combos, wrapped/wrapped combos or anything that keeps new candies falling constantly.