Perhaps you should try some spelling variations:
"fop petriov OR petro OR petrov OR pero OR petero OR petru OR petruo OR petr o.s.*" » "fop petriov OR petri OR petriv OR pero OR petero OR petru OR petruo OR petr o.s.*" (Expand Search), "fop peteriov OR petero OR peterov OR pero OR petero OR peteru OR peteruo OR peter o.s.*" (Expand Search), "fop petriiov OR petrio OR petriov OR pero OR petero OR petriu OR petriuo OR petri o.s.*" (Expand Search), "fop periov OR pero OR perov OR pero OR petero OR peru 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 (petriov OR ((((((petro OR petrov) OR pero) OR petero) OR petru) OR petruo) OR petr)) o.s.*.