Hey bamarang, I think people here have already given you some good advice. Thing is, you said you've been doing it for days- I think that may be the problem.
If you're expecting to suddenly get hundreds of subs over night then you probably will be disappointed- from what I've seen people say on this forum, you are doing well if you achieve that number in a year.
Just relax, keep working at making your videos better and keep promoting yourself in anyway possible FB, Twitter, Reddit etc and hopefully you will start to see results over time.