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