Tips & Tricks CAN I GET SOME HELP PLZ

my channel seems to be in a slump its like my videos arnt getting to the public, i use heartbeat tags and fully use my 420 letters and improving my thumbnails constantly, as soon i feel the idea is better for my channel i put it on my channel i feel its great for my channel. iu feel i have a great channel i am passionate about what i do i think if my videos got seen by non subscribers i would do so much better any ideas plz guys[DOUBLEPOST=1493043284][/DOUBLEPOST]think i have posted in wrong place