Perhaps you should try some spelling variations:
"fop petriov OR petrov OR peteriv OR petrio OR peteru OR petr OR peteri o.s.*" » "fop petriov OR petrov OR peterdiv OR petrio OR peteru OR petr OR peterdi o.s.*" (Expand Search), "fop petriov OR petrov OR peterv OR petrio OR peteru OR petr OR peter o.s.*" (Expand Search), "fop petriov OR petrov OR petriv OR petrio OR peteru 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 (petrov OR peteriv)) OR ((petrio OR peteru) OR (petr OR peteri))) o.s.*.