They never responded to any of your tweets? I saw them replying to others recently. If you want, try posting your concern plus transaction ID in their reddit page or send a private message in changelly_com account there (in the right pane of the page under comment karma). Please update here whenever you got a reply.
they said this via twitter. 'near time' is now 4 days and counting. Changelly.com
@Changelly_team Jan 31 More Your transaction is currently being sent to you. You will receive your money in near time!