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5 comments
There is a "Search" textbox at the bottom of the page.
Probably have the best luck w/ a "site:news.ycombinator.com" search in Google.
Use this format: site:domain.com keyword(s)
Include the sub-domain, if applicable, and the keyword can be anything from a title of a post, a word, user, etc.
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http://www.hnsearch.com/
You can of course go there directly.