Perhaps you should try some spelling variations:
"fop peterov OR peruov OR petrov OR peterov OR petro OR pero OR petrui OR petr o.s.*" » "fop peterov OR peruov OR petriv OR peterov OR petri OR pero OR petrui OR petr o.s.*" (Expand Search), "fop peterov OR peruov OR petruv OR peterov OR petru OR pero OR petrui OR petr o.s.*" (Expand Search), "fop peterov OR peruov OR peterov OR peterov OR petero OR pero OR peterui OR peter o.s.*" (Expand Search), "fop peterov OR peruov OR petriov OR peterov OR petrio OR pero OR petriui OR petri o.s.*" (Expand Search), "fop peterov OR peruov OR petruov OR peterov OR petruo OR pero OR petruui 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 ((peterov OR (peruov OR (petrov OR peterov))) OR (((petro OR pero) OR petrui) OR petr)) o.s.*.