What can i do to make more room in my suitcase?

Actually, a suit case isn't necessary. You could just use a backpack. Roll or 'bundle' your clothes (This also helps with wrinkles). You can put the shampoo and other liquids in smaller containers (if you have some) and if not, well, oh well. You can also put a few things in your pillow case, and you may just have to carry that off to the side. Take some make up out of your bag that you won't need. (Ex: colors you don't use that often). It's possible!