Perhaps you should try some spelling variations:
"fop petriov OR petruv OR petrv OR peter OR petru OR perou OR petr OR petri o.s.*" » "fop petrov OR petruv OR petrv OR peter OR petru OR perou OR petr OR petri o.s.*" (Expand Search), "fop petriov OR petrov OR petrv OR peter OR petru OR perou OR petr OR petri o.s.*" (Expand Search), "fop petriov OR petruv OR petrov OR peter OR petru OR perou OR petr OR petri o.s.*" (Expand Search), "fop petriov OR petruv OR petro OR peter OR petru OR perou OR petr OR petri o.s.*" (Expand Search), "fop petriov OR petruv OR petra OR peter OR petru OR perou OR petr OR petri o.s.*" (Expand Search), "fop petriov OR pentruv OR petrv OR peter OR pentru OR perou OR petr OR petri o.s.*" (Expand Search), "fop petroiov OR petrouv OR petrov OR peter OR petrou OR perou OR petro OR petroi o.s.*" (Expand Search), "fop periov OR peruv OR perv OR peter OR peru OR perou OR per OR peri 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 petruv) OR (petrv OR peter)) OR ((petru OR perou) OR (petr OR petri))) o.s.*.