Combining conditions


Can anyone tell whether combining conditions is supported (Smart Links)?
I have created some smart links and used the “document.metadata_value_of.” method to compare metatags in the foreign documents with the ones in de originating one.
Seems to work fine.

If original value in meta tag ‘Brand’ is also found in other docs then these other documents appear on using the smart link. When I use another meta-tag for instance “model”, same result (other docs of course)

When I combine both conditions, no documents are found.
(I assume that the AND on top of the conditions means in case both are true (or something is found)

Is combining conditions not possible? Should this be done in a single condition setup?

Thanks for the reply