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