How to configure Additional java rules to sonarqube project

I am using sonar qube community edition Version 8.9.5 (build 50698) .There are 639 rules configured for java in sonar qube but when i search for rules in my project 100 rules are only seen. is there any way to add additional rules in my project from the exciting 639 rules…? if so please provide the steps
also please update admin access is required to perform above solution


Welcome to the community!

I’d like to confirm what you’re looking at. How about a screenshot?