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