Perhaps you should try some spelling variations:
"fop peteriv OR petruiv OR petro OR petru OR petri OR peterov OR petr o.s.*" » "fop peteriv OR petruiv OR petrov OR petru OR petri OR peterov OR petr o.s.*" (Expand Search), "fop peteriv OR peteruiv OR petero OR peteru OR peteri OR peterov OR peter o.s.*" (Expand Search), "fop peteriv OR peruiv OR pero OR peru OR peri OR peterov 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 petruiv) OR ((((petro OR petru) OR petri) OR peterov) OR petr)) o.s.*.