Perhaps you should try some spelling variations:
"fop petriov OR petruiov OR petruv OR peteruo OR petruuuo OR petr o.s.*" » "fop petriov OR petrov OR petruv OR peteruo OR petruuuo OR petr o.s.*" (Expand Search), "fop peteriov OR peteruiov OR peteruv OR peteruo OR peteruuuo OR peter o.s.*" (Expand Search), "fop petriiov OR petriuiov OR petriuv OR peteruo OR petriuuuo OR petri o.s.*" (Expand Search), "fop petruiov OR petruuiov OR petruuv OR peteruo OR petruuuuo 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 (((petriov OR petruiov) OR petruv) OR ((peteruo OR petruuuo) OR petr)) o.s.*.