http://wiki.polycount.net/CategoryTutorials You'll get better/more help if you dive in first, then post specific questions when you get stuck or need feedback.
I cannot pay anyone since I'm very short on money and I would use google but I cannot find any good and clear tutorial... If you know any good tutorial, i'd be really nice if you would give me the link
If you're asking for a tutor, I don't think this is the place to post that. You should post in the jobs section instead, assuming you're paying for the instruction. If not, there's always a treasure trove of information to be found on Google.