Perhaps you should try some spelling variations:
"fop peroov OR petriov OR petruv OR petrou OR petru OR petr OR peter o.s.*" » "fop peroov OR petrov OR petruv OR petrou OR petru OR petr OR peter o.s.*" (Expand Search), "fop peroov OR petriov OR petrov OR petrou OR petru OR petr OR peter o.s.*" (Expand Search), "fop peroov OR petriov OR petruv OR petro OR petru OR petr OR peter o.s.*" (Expand Search), "fop peroov OR petriov OR petruv OR petrov OR petru OR petr OR peter o.s.*" (Expand Search), "fop peroov OR petriov OR petruv OR petrow OR petru OR petr OR peter o.s.*" (Expand Search), "fop peroov OR petriov OR pentruv OR petrou OR pentru OR petr OR peter o.s.*" (Expand Search), "fop peroov OR petriov OR petriv OR petrou OR petri OR petr OR peter o.s.*" (Expand Search), "fop peroov OR petriiov OR petriuv OR petriou OR petriu OR petri OR peter o.s.*" (Expand Search), "fop peroov OR petroiov OR petrouv OR petroou OR petrou OR petro OR peter o.s.*" (Expand Search), "fop peroov OR periov OR peruv OR perou OR peru OR per 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 (((peroov OR petriov) OR petruv) OR ((petrou OR petru) OR (petr OR peter))) o.s.*.