Perhaps you should try some spelling variations:
"fop peteruv OR petero OR petru OR petri OR petruo OR peruo OR peruo OR petr o.s.*" » "fop peteruv OR petero OR peteru OR peteri OR peteruo OR peruo OR peruo OR peter o.s.*" (Expand Search), "fop peteruv OR petero OR petrou OR petroi OR petrouo OR peruo OR peruo OR petro o.s.*" (Expand Search), "fop peteruv OR petero OR peru OR peri OR peruo OR peruo OR peruo OR per 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 (peteruv OR ((((petero OR petru) OR petri) OR ((petruo OR peruo) OR peruo)) OR petr)) o.s.*.