Whisk orange juice concentrate, rice vinegar, and canola oil in small bowl. Season with salt and pepper. DO AHEAD Dressing can be made 1 day ahead. Cover and refrigerate.
Combine slaw mix, corn kernels, carrots, red bell pepper strips, sliced green onions, and chopped cilantro in large bowl. Toss with enough dressing to coat. Season slaw to taste with salt and pepper. Let stand 15 minutes for flavors to blend. Toss again and serve.