Perhaps you should try some spelling variations:
"fop petriov OR petruiov OR peteriv OR petero OR petrio OR petruio OR petr o.s.*" » "fop petriov OR petrov OR peteriv OR petero OR petrio OR petruio OR petr o.s.*" (Expand Search), "fop peteriov OR peteruiov OR peteriv OR petero OR peterio OR peteruio OR peter o.s.*" (Expand Search), "fop petriiov OR petriuiov OR peteriv OR petero OR petriio OR petriuio OR petri o.s.*" (Expand Search), "fop petruiov OR petruuiov OR peteriv OR petero OR petruio OR petruuio 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 peteriv) OR ((petero OR (petrio OR petruio)) OR petr)) o.s.*.