Perhaps you should try some spelling variations:
"fop petriov OR peteriov OR petero OR petrio OR peteru OR petruo OR petr o.s.*" » "fop petriov OR petrov OR petero OR petrio OR peteru OR petruo OR petr o.s.*" (Expand Search), "fop peteriov OR peteriov OR petero OR peterio OR peteru OR peteruo OR peter o.s.*" (Expand Search), "fop petriiov OR peteriov OR petero OR petriio OR peteru OR petriuo OR petri o.s.*" (Expand Search), "fop petruiov OR peteriov OR petero OR petruio OR peteru OR petruuo 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 ((petriov OR peteriov) OR ((((petero OR petrio) OR peteru) OR petruo) OR petr)) o.s.*.