Bulls love Snell, and are likely to go into rebuilding mode. Not likely.
I think the best you could get for Crawford right now is (possibly) a mid-tier 2nd round pick, or a young player who hasn't panned out as hoped.
Better to wait until the deadline and see if the market improves, or if he needs to be be packaged in a bigger trade. He's also likely to come cheap next year -- might want to hold on to him unless he can actually produce some meaningful value in return.