Perhaps you should try some spelling variations:
"fop petruv OR peruv OR periuv OR petruo OR pero OR petri OR petr o.s.*" » "fop peteruv OR peruv OR periuv OR peteruo OR pero OR peteri OR peter o.s.*" (Expand Search), "fop petruuv OR peruv OR periuv OR petruuo OR pero OR petrui OR petru o.s.*" (Expand Search), "fop petrouv OR peruv OR periuv OR petrouo OR pero OR petroi OR petro 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 (((petruv OR peruv) OR periuv) OR (((petruo OR pero) OR petri) OR petr)) o.s.*.