Perhaps you should try some spelling variations:
"fop peteriv OR petrov OR petriv OR petrv OR perv OR petro OR petru OR petr o.s.*" » "fop peteriv OR petrov OR petriv OR petrv OR per OR petro OR petru OR petr o.s.*" (Expand Search), "fop peteriv OR petriv OR petriv OR petrv OR perv OR petri OR petru OR petr o.s.*" (Expand Search), "fop peteriv OR peterov OR peteriv OR peterv OR perv OR petero OR peteru OR peter o.s.*" (Expand Search), "fop peteriv OR petriov OR petriiv OR petriv OR perv OR petrio OR petriu OR petri o.s.*" (Expand Search), "fop peteriv OR perov OR periv OR perv OR perv OR pero OR peru OR per 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 (((peteriv OR (petrov OR petriv)) OR (petrv OR perv)) OR ((petro OR petru) OR petr)) o.s.*.