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