Perhaps you should try some spelling variations:
"fop peterov OR petruov OR peruov OR petrv OR petro OR petri OR peri OR petr o.s.*" » "fop peterov OR petruov OR peruov OR petrv OR petrov OR petri OR peri OR petr o.s.*" (Expand Search), "fop peterov OR petruov OR peruov OR petrv OR petru OR petri OR peri OR petr o.s.*" (Expand Search), "fop peterov OR petruov OR peruov OR petrv OR petro OR petri OR per OR petr o.s.*" (Expand Search), "fop peterov OR peteruov OR peruov OR peterv OR petero OR peteri OR peri OR peter o.s.*" (Expand Search), "fop peterov OR petruuov OR peruov OR petruv OR petruo OR petrui OR peri OR petru o.s.*" (Expand Search), "fop peterov OR peruov OR peruov OR perv OR pero OR peri OR peri 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 (((peterov OR (petruov OR peruov)) OR petrv) OR ((petro OR (petri OR peri)) OR petr)) o.s.*.