Perhaps you should try some spelling variations:
"fop petriov OR petro OR petri OR petru OR peteru OR petriio OR petr o.s.*" » "fop petriov OR petrov OR petri OR petru OR peteru OR petriio OR petr o.s.*" (Expand Search), "fop peteriov OR petero OR peteri OR peteru OR peteru OR peteriio OR peter o.s.*" (Expand Search), "fop periov OR pero OR peri OR peru OR peteru OR periio OR per 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 ((((petro OR petri) OR (petru OR peteru)) OR petriio) OR petr)) o.s.*.