Perhaps you should try some spelling variations:
"fop petriv OR peteriv OR peteriv OR petriov OR petruo OR peteri OR petr o.s.*" » "fop peteriv OR peteriv OR peteriv OR peteriov OR peteruo OR peteri OR peter o.s.*" (Expand Search), "fop petriiv OR peteriv OR peteriv OR petriiov OR petriuo OR peteri OR petri o.s.*" (Expand Search), "fop petruiv OR peteriv OR peteriv OR petruiov OR petruuo OR peteri 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 ((((petriv OR peteriv) OR peteriv) OR petriov) OR ((petruo OR peteri) OR petr)) o.s.*.