What I need to do to start selling more?

I’m fairly new to AJ, but want to know.
I have 4 tracks that I uploaded, would 10 tracks will be better? How can I push my items on search results?

upload as many quality tracks as possible.

Promote your tracks on Youtube, Soundcloud, Vimeo, etc.

Post your tracks here - https://www.reddit.com/r/RoyaltyFreeMusic/