VM 2.0.1.d
plugins/search/virtuemart/virtuemart.php
Line 143:
. ' WHERE ' . $where . ' and p.published=1 and b.virtuemart_category_id>1 '
So search doesn't match anything in virtuemart_category_id = 1.
I think the code should be
. ' WHERE ' . $where . ' and p.published=1'
-------
Fixed in newer versions.