Perhaps you should try some spelling variations:
"fop peterov OR petriov OR peteriov OR peteriov OR petri OR petr o.s.*" » "fop peterov OR petriov OR petrov OR petrov OR petri OR petr o.s.*" (Expand Search), "fop peterov OR peteriov OR peteriov OR peteriov OR peteri OR peter o.s.*" (Expand Search), "fop peterov OR petruiov OR peteriov OR peteriov OR petrui OR petru o.s.*" (Expand Search), "fop peterov OR petroiov OR peteriov OR peteriov OR petroi 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 ((peterov OR ((petriov OR peteriov) OR peteriov)) OR (petri OR petr)) o.s.*.