Oke i have chance many girls to like or some whit the save game editor.If you are getting 0%, then the action you are attempting is impossible, without first fulfilling some other condition. I'd guess that they hate you for some reason. You could try apologizing, and then praising them, and then only doing basic conversational actions until you gain back enough points for them to allow other things again.
And still cost it to keep on 0 don't matter what i pick keeps getting on 0.
It can be an bug the text looks like it bad translate.