White Bean Chicken Chili

2 TBS vegetable oil
1 lb diced chicken
1 onion chopped
2 cloves garlic minced
1 (14.5 oz can) chicken broth
1 (18.75 oz) can tomatillos, drained and chopped (or 1 jar salsa verde)
1 (16 oz) can diced tomatoes
1 (7oz) can diced green chiles
1/2 tsp dried oregano
1/2 tsp ground coriander seed
1/4 tsp ground cumin
1 (15oz) can white beans
2 ears fresh corn (1 can of corn)
Salt and Pepper to taste

*Put all ingredients in crock pot and cook on high for 3 hours and low for 2 hours, or low for 6.5 hours