Perhaps you should try some spelling variations:
"fop petriov OR peteriov OR petruov OR pero OR petrou OR petruo OR petr o.s.*" » "fop petriov OR petrov OR petruov OR pero OR petrou OR petruo OR petr o.s.*" (Expand Search), "fop peteriov OR peteriov OR peteruov OR pero OR peterou OR peteruo OR peter o.s.*" (Expand Search), "fop petriiov OR peteriov OR petriuov OR pero OR petriou OR petriuo OR petri o.s.*" (Expand Search), "fop petruiov OR peteriov OR petruuov OR pero OR petruou 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 petruov)) OR (((pero OR petrou) OR petruo) OR petr)) o.s.*.