Newsfeed Plugin and multiple keywords

Hi,
can anyone tell me how to filter the feeds with the newsfeed addon by more than one keyword? keyword1*keyword2 or keyword1,keyword2 isn't working.

thx!

[pspzockerscene]

Hehe i think i am a supporter but i still don' tknow how to do that.
I think it isn't implemented yet but if it is it would be nice to know how to use it;)