Update 2024-03-27: Greatly expanded the "Samples" page and renamed it to "Glossary".
Update 2024-04-04: Added 5 million mid-2011 posts from the k47 post dump. Browse (mostly) them here.
Update 2024-04-07: Added ~400 October 2003 posts from 4chan.net. Browse them here.
"No less than zero problems" doesn't mean anything, because it's impossible to have negative problems. You could still have anywhere between zero and infinity problems. The phrase you're looking for is "No MORE than zero problems".