Your videos are not SEO-friendly. you must do video SEO to get good results. SEO increases views, If you can increase the views, you will be able to advance your channel a lot. What is the benefit of making a video so hard? If views, likes, subscribers are not? So I say, first organize the channel nicely, SEO the videos and then release the videos, then you will get good results. This will benefit you a lot, you will be able to improve your channel with very little cost.