Perhaps you should try some spelling variations:
"fop petriiv OR peteriv OR petro OR per OR per OR petruui OR petero OR petr o.s.*" » "fop petriiv OR peteriv OR petrov OR per OR per OR petruui OR petero OR petr o.s.*" (Expand Search), "fop petriiv OR peteriv OR petri OR per OR per OR petruui OR petero OR petr o.s.*" (Expand Search), "fop petriiv OR peteriv OR petru OR per OR per OR petruui OR petero OR petr o.s.*" (Expand Search), "fop peteriiv OR peteriv OR petero OR per OR per OR peteruui OR petero OR peter o.s.*" (Expand Search), "fop petriiiv OR peteriv OR petrio OR per OR per OR petriuui OR petero OR petri o.s.*" (Expand Search), "fop petruiiv OR peteriv OR petruo OR per OR per OR petruuui OR petero 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 ((petriiv OR peteriv) OR (((petro OR ((per OR per) OR petruui)) OR petero) OR petr)) o.s.*.