Phil just sent me the most spectacularly cool link.
It’s a website that searches a database of things said in Calvin and Hobbes comics, and shows you the comic(s) that correspond with your search.
It can be found here:
http://www.transmogrifier.org/ch/comics/search.cgi
My first search was “Chumble spuzz”. Try it yourself and see why it’s one of my favorite C&H’s.