Where do people apply for jobs other than indeed?

Been applying for a retail job for months now and haven’t gotten anything. I’m starting to think indeed is the problem (it’s probably just me but) where are people applying for retails jobs other than indeed? Through the job website? In real life? Every other young person I know has a job and they tell me that they apply through indeed. I know there’s jobs.ie but I also find it as useless as indeed