Are these older accounts? meaning not a new 'Jagex Account'.
If they are the older accounts, you need to keep trying account recovery and provide better information.
Take note of the reasons for the deny and work to improve the information on your next attempt.
If you have new Jagex Accounts, there is no manual recovery help provided by Jagex.
The support article for recovering a Jagex Account is:
https://help.jagex.com/hc/en-gb/articles/13495559329937-Jagex-account-recovery
Someone took my old account and added it to their jagex account now it says I can't recover without the help of a j mod. The j mod told me he won't look into it
Have you used that contact point?
If you haven't, try using it.
If you have and received the answer you say then, I am very sorry, we cannot assist you to get that answer changed.