I always use the highest point letters to form words. But, never score as high as other players?

Well, yes, you need to learn the game. For example, you post a question without identifying what you are talking about. That prevents us from giving you a good answer. Likewise, you have not learned this game you are trying to play. You really need to start paying more attention to the life you are living. You don't live in a zoo. I mean there are no keepers to carry stuff to you, you have to get it for yourself.