Making use of three attackers is what teams like Liverpool in the Premier League do every week and are usually successful. You can get your attackers supporting each other in a three pronged attack and when they do so watch the net bulge!
This is all about losing your marker in an attacking trio who link up against two defenders. Support play, movement, good passing and turning skills are all part of your coaching objectives as is using the overload to take advantage and score a goal.