I'm not sure I exactly understood your question. I don't speak that language :)
You can't force your period to come. There could be a few medical reasons why it is not coming. Could you be pregnant? Are you overweight, or underweight? Sometimes, your weight can stop your period from coming. I'm not a doctor so I don't feel comfortable giving you a "diagnosis".
My suggestion is to go to a doctor. I know you said you don't have any money, but there has to be a free clinic somewhere. Talk to your parent's. I'm sure they would take you. Your health is very important.
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