Perhaps you should try some spelling variations:
"fop petriiv OR peterdi OR petriuiv OR petri OR petru OR periiu OR petr o.s.*" » "fop peteriiv OR peterdi OR peteriuiv OR peteri OR peteru OR periiu OR peter o.s.*" (Expand Search), "fop petroiiv OR peterdi OR petroiuiv OR petroi OR petrou OR periiu OR petro o.s.*" (Expand Search), "fop periiv OR peterdi OR periuiv OR peri OR peru OR periiu 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 ((petriiv OR (peterdi OR petriuiv)) OR ((petri OR (petru OR periiu)) OR petr)) o.s.*.