Perhaps you should try some spelling variations:
"fop petriis OR petru OR petriw OR periiu OR petr OR petro OR peter o.s.*" » "fop petris OR petru OR petriw OR periiu OR petr OR petro OR peter o.s.*" (Expand Search), "fop petriis OR petru OR petriw OR periiu OR petr OR petrov OR peter o.s.*" (Expand Search), "fop petriis OR petru OR petriw OR periiu OR petr OR petri OR peter o.s.*" (Expand Search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: fop (petriis OR (((petru OR petriw) OR periiu) OR ((petr OR petro) OR peter))) o.s.*.