Perhaps you should try some spelling variations:
"fop petruv OR petrouv OR petr OR petrui OR petri OR petrui o.s.*" » "fop petru OR petrouv OR petr OR petrui OR petri OR petrui o.s.*" (Expand Search), "fop petrov OR petrouv OR petr OR petrui OR petri OR petrui o.s.*" (Expand Search), "fop petruv OR petrov OR petr OR petrui OR petri OR petrui o.s.*" (Expand Search), "fop peteruv OR peterouv OR peter OR peterui OR peteri OR peterui o.s.*" (Expand Search), "fop petruuv OR petruouv OR petru OR petruui OR petrui OR petruui o.s.*" (Expand Search), "fop petrouv OR petroouv OR petro OR petroui OR petroi OR petroui o.s.*" (Expand Search), "fop petruv OR petrouv OR petr OR petru OR petri OR petru 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 petrouv) OR (petr OR (petrui OR (petri OR petrui)))) o.s.*.