Perhaps you should try some spelling variations:
"fop petrv OR petr OR petri OR petru OR petruv OR petrov OR petrv OR petr o.s.*" » "fop petro OR petr OR petri OR petru OR petruv OR petrov OR petro OR petr o.s.*" (Expand Search), "fop petra OR petr OR petri OR petru OR petruv OR petrov OR petra OR petr o.s.*" (Expand Search), "fop petre OR petr OR petri OR petru OR petruv OR petrov OR petre OR petr o.s.*" (Expand Search), "fop peterv OR peter OR peteri OR peteru OR peteruv OR peterov OR peterv OR peter o.s.*" (Expand Search), "fop petrov OR petro OR petroi OR petrou OR petrouv OR petroov OR petrov OR petro o.s.*" (Expand Search), "fop perv OR per OR peri OR peru OR peruv OR perov OR perv OR per o.s.*" (Expand Search), "fop petrv OR petr OR petri OR pentru OR pentruv OR petrov OR petrv OR petr o.s.*" (Expand Search), "fop petrv OR petr OR petri OR petru OR petruv OR petro OR petrv OR petr 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 ((petrv OR petr) OR ((petri OR petru) OR ((petruv OR petrov) OR (petrv OR petr)))) o.s.*.