Perhaps you should try some spelling variations:
"fop peterdi OR pero OR petero OR petero OR petri OR peterio OR petr o.s.*" » "fop peterdi OR pero OR petero OR petero OR peteri OR peterio OR peter o.s.*" (Expand Search), "fop peterdi OR pero OR petero OR petero OR petrui OR peterio OR petru o.s.*" (Expand Search), "fop peterdi OR pero OR petero OR petero OR petroi OR peterio OR petro 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 (peterdi OR (((((pero OR petero) OR petero) OR petri) OR peterio) OR petr)) o.s.*.