In large frying pan place some of the olive oil, garlic and chicken. Add salt , pepper and garlic powder. Stir fry till chicken is brown and no longer pink. Add veggies and toss with chicken. Allow to simmer till veggies are tender. Add some parmesan cheese and toss.
Cook pasta according to directions on box; drain
On a large platter place the pasta, drizzle with olive oil. Pour the veggies and chicken over past. Sprinkle parmesan over everything.