I can tell you without looking at anything else you need to eat more. Vanilla protein shakes very easily become meal replacements by adding oats & 2 tbspn natty peanut butter. You can also add frozen fruits (blueberries, raspberries) to even out the taste.

I'm assuming by "not seeing results" you are trying to gain mass. To effectively gain mass, you can eat 500 calories over your maintenance level if you know what that is. If not, eat 15 - 17 calories/ body lbs. In addition, shoot for 1.5 - 2 g of protein for every lbs you wiegh, 100 g of carbs daily and > 15% of your daily macros should come from healthy fats.

If for some reason you do all that and still aren't seeing it, add 10% to your calories a week until you're getting the results you want. Remember though, it's a marathon, not a sprint. After 2 months, most won't see tremendous results, but stick with it and you'll get to your goals.

Train Hard!