Add the crushed tomatoes, black beans, pinto beans sweet corn, green chiles, bell peppers, onion, garlic, chili powder, cumin, paprika, garlic powder, salt, hot sauce, and broth to the slow cooker and stir to combine.
Submerge the chicken breasts in the tomato broth and cover the slow cooker. Cook the soup for 3-3.5 hours on high or until the internal temperature of the chicken is 165ºF.
While the soup is cooking, prepare the tortilla strips.Preheat oven to 400ºF and line baking sheet with parchment paper or spray it with non-stick cooking spray.
Thinly slice the tortillas into 2-3 inch long strips that are about 1/4 inch thick. Drizzle on oil and toss. Season the strips with the garlic powder chili powder, paprika, cumin, and salt. Toss again and spread them evenly over the baking sheet.
Bake the tortilla strips at 400ºF for 5 minutes. Toss and then put back in for 5-10 more minutes until golden brown. Remove them from the oven and set aside.
Remove the chicken breast from the slow cooker and set aside 2 cups of the broth in a bowl to cool.
Shred the chicken and transfer the shredded chicken back into the slow cooker.
Add the Greek yogurt to the 2 cups of broth that has cooled off and whisk the Greek yogurt into the broth until smooth and there are no lumps. Pour the creamy broth into the slow cooker and stir.
Pour the lime juice into the slow cooker, stir and serve with fresh cilantro and the tortilla strips.