The vBulletin search engine is something of a pain-in-the-backside, and doesn`t support complex searches. For a more powerful search of Autopia, try using Google`s advanced search, and use "autopia.org" for the domain name. Or, you can use the CGI shorthand and type "site:autopia.org/forum MySearchCriteria" in the regular Google dialog to limit searching to the Autopia forums.
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