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