Perhaps you should try some spelling variations:
"fop peteriiiv OR petruiv OR peterdi OR petruo OR petrov OR petero OR petr o.s.*" » "fop peteriiiv OR peteruiv OR peterdi OR peteruo OR peterov OR petero OR peter o.s.*" (Expand Search), "fop peteriiiv OR petriuiv OR peterdi OR petriuo OR petriov OR petero OR petri o.s.*" (Expand Search), "fop peteriiiv OR petruuiv OR peterdi OR petruuo OR petruov 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 ((peteriiiv OR (petruiv OR peterdi)) OR (((petruo OR petrov) OR petero) OR petr)) o.s.*.