Formatting

Reduce the spacing on Format > Page settings

You should find something that helps in this part of the handbook https://musescore.org/en/handbook/4/formatting

I suggest you might want to change the scaling in Format>Page Settings which will make everything smaller and so more can fit on a page. But there are other things you can try.

If you are still having problems, come back and attach a copy of the score (.mscz file) rather than a picture so that someone can see what settings you are using.

I agree it sure seems like it could be easier. Like some sort of section that says, how many systems do you want per page? And then it does that.

One minor point that might help. It looks like some of your lyrics are in "verse 1" and others in "verse 2" and possibly even in "verse 3". (The uneven lines of text in the lyrics.) If you fix that, it will make some difference. Enough to get three systems in? Dunno. (But I doubt it.) Enough to make a difference? Yes, almost certainly!