In a 4 litre pot, heat the oil and saute the onion, celery, and carrots. Add the zucchini, garbanzo beans, tomatoes with juice, bay leaves, Italian herbs, broth, tomato juice,and water. Bring to a boil, reduce the heat and cook over medium-high heat until the vegetables are tender, about 30 minutes. Add the parsley, mushrooms, spinach, and pasta. Cook another 7 to 10 minutes. Remove and discard the bay leaves.