Wierd issue with searching songs??

For context (I think this may be the reason why) my account was ages restricted a few months ago and set to an over 16 but under 18 account (even though I'm well over 18 but I haven't fixed it because I'm not giving any of my info to them). I'm also in the UK and have tried this with and without vpns.

Whenever I try to search up certain songs they come up with absolutely nothing. Either unrelated videos or the "no results" page. I haven't tried it with an unrestricted account so it may be an issue with that I'm not sure.

The songs I've found that have done this so far are:

What's happening by latto

Na$ty by Kirby

Get your Brits out by kneecap

Ive had more problems with the app in the last few months than I have ever had before, and I've had it since it was musically.

If anyone else has experienced anything like this lmk because ive ever seen anything like it before