https://hn.algolia.com/?dateRange=all&page=0&prefix=true&query=Twitter&sort=byDate&type=story

https://hn.algolia.com/?dateRange=all&page=0&prefix=true&query=Musk&sort=byDate&type=story

Even though this one was submitted 15 minutes ago:

Musk teases details of Twitter suppression of Post’s Hunter Biden scoop

https://news.ycombinator.com/item?id=33781569

I also see additional stories not shown in HN Search, e.g. https://news.ycombinator.com/from?site=theverge.com