Who went to mike sully dump looking for food?

In the animated film "Monsters, Inc.," Mike Wazowski and Sulley go to the "Human World" and specifically to a trash dump looking for food after they accidentally find themselves in a difficult situation. They are trying to retrieve Boo, a human child, and in the process, they end up in a place filled with discarded items. Their adventure highlights the comedic and chaotic nature of their journey while showcasing the bond between the two characters.