Vary your shots: Practice different types of shots such as slap shots, one-timers, and backhand shots. Varying your shots will help you become more versatile and unpredictable in a game.
Buy the floorball books or eBooks from online bookstores like Amazon, Wallmart, Alibris, AbeBooks, Bokus, Bookshop, BoD etc. or search through Google (Search for titles: Train Floorball at Home, Floorball Practices and Drills or Training Tomorrows Floorball Players)