Perhaps you should try some spelling variations:
"fop peteriv OR petruiv OR peteruiv OR peri OR pero OR petru OR petr o.s.*" » "fop peteriv OR petruiv OR peterdi OR peri OR pero OR petru OR petr o.s.*" (Expand Search), "fop peteriv OR petruiv OR peteruiv OR petri OR pero OR petru OR petr o.s.*" (Expand Search), "fop peteriv OR petruiv OR peteruiv OR per OR pero OR petru OR petr o.s.*" (Expand Search), "fop peteriv OR peteruiv OR peteruiv OR peri OR pero OR peteru OR peter o.s.*" (Expand Search), "fop peteriv OR petriuiv OR peteruiv OR peri OR pero OR petriu OR petri o.s.*" (Expand Search), "fop peteriv OR petrouiv OR peteruiv OR peri OR pero OR petrou 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 ((peteriv OR (petruiv OR peteruiv)) OR (((peri OR pero) OR petru) OR petr)) o.s.*.