Perhaps you should try some spelling variations:
"fop petriov OR peterov OR peterv OR pero OR petriio OR pero OR petru OR petr o.s.*" » "fop peteriov OR peterov OR peterv OR pero OR peteriio OR pero OR peteru OR peter o.s.*" (Expand Search), "fop petriiov OR peterov OR peterv OR pero OR petriiio OR pero OR petriu OR petri o.s.*" (Expand Search), "fop petroiov OR peterov OR peterv OR pero OR petroiio OR pero OR petrou OR petro 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 peterov) OR peterv) OR ((((pero OR petriio) OR pero) OR petru) OR petr)) o.s.*.