they lost my suitcase and after 8.5 month they don't compensate me me

don't flight with Qatar airway they don't control baggage tags with tags on your ticket . and they don't answer you or compensate you. I emigrate 8.5 month ago and I had all four season clothes and every think from around the world 90 percentage new and all my necessary medicines , and I didn't  have enough money . I complain and sent a lot of emails . they didn't answer me.