Perhaps you should try some spelling variations:
"fop petriv OR peteruv OR peteruiov OR petrov OR petriou OR peteruo OR petr o.s.*" » "fop peteriv OR peteruv OR peteruiov OR peterov OR peteriou OR peteruo OR peter o.s.*" (Expand Search), "fop petriiv OR peteruv OR peteruiov OR petriov OR petriiou OR peteruo OR petri o.s.*" (Expand Search), "fop petruiv OR peteruv OR peteruiov OR petruov OR petruiou OR peteruo 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 (((petriv OR peteruv) OR (peteruiov OR petrov)) OR ((petriou OR peteruo) OR petr)) o.s.*.