Answer

I choose my item for other item in cs.money and then it says I would need to send the item first and then the site send me 2 offers of the knife and TEC-9 where is the problem? I DONT GET MY SKINS!! AND THE TRADE ON CS.MONEY HAS BEEN CANCELED.... SO COULS SOMEBODY OF YOU HELPS ME?

Change your password, revoke the API key and change your trade URL. You are in danger of getting scammed by someone who has access to your profiles API. Decline all offers until you change password, trade url and revoke the API.
Customer support service by UserEcho
Hello, please write to support.