sorry but the requested product was not found

[mjandia]

Hello, I work with joomla 1.5 and virtuemart 2.0.6 (and ssl redirect plug in). the website is referenced (indexed) but when I search in google a product i found the name of the product but instead of find the correct page the category page is showed and the following message is showed : Sorry, but the requested product was not found

What the problem and how to sove it ? thanks for your help