Perhaps you should try some spelling variations:
"fop petriov OR peteriv OR petruo OR petruuo OR petr OR petro OR peter o.s.*" » "fop petriov OR peteriv OR petruo OR petruuo OR petr OR petrov OR peter o.s.*" (Expand Search), "fop petriov OR peteriv OR petruo OR petruuo OR petr OR petri OR peter o.s.*" (Expand Search), "fop petriov OR peteriv OR petruo OR petruuo OR petr OR petru OR peter 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 peteriv) OR ((petruo OR petruuo) OR ((petr OR petro) OR peter))) o.s.*.