Goals from Daniel Powell and Patrick Bamford gave the Dons a 2-0 victory, which leaves them four points off the top-six with two games to go.
They host relegation-haunted Scunthorpe at stadium:mk this weekend and Robinson said: "We still live in hope and it's all down to us now.
"It's our last home game this weekend and let's hope that we put a performance in. If we win, it might not be our last this season.
"I thought we tried to play football and in the first 15 minutes we looked like a class act. I thought we moved the ball well and got in between the lines.
"But when we had to roll up our sleeves and throw our bodies on the line and throw our heads in, we did that too.
"The whole back four have been very brave in the way that they've had to deal with things."