Go to Google Webmaster Central - google.com/webmasters/tools/removals and use the Removal tool. You can remove one page at a time this way if the page is invalid: that is, if it generates a 404...
You can use a robots.txt file to request that search engines remove your site and prevent robots from crawling it in the future. (It's important to note that if a robot discovers your site by other...
Google Site Search is a feature that allow a user to search for a particular keyword within a particular domain or URL within Google's index. The site search is performed by typing "site:" before the...