It shows only recent post with a minimal number of upvotes. I don't know the thresholds. For the complete list, you can look in https://news.ycombinator.com/ask

It shows only recent post with a minimal number of upvotes. I don't know the thresholds. For the complete list, you can look in https://news.ycombinator.com/asknew https://news.ycombinator.com/asknew