Perhaps you should try some spelling variations:
"fop petriov OR petrv OR peterv OR petro OR petero OR per OR petr o.s.*" » "fop petriov OR petrv OR peterv OR petrov OR petero OR per OR petr o.s.*" (Expand Search), "fop petriov OR petrv OR peterv OR petri OR petero OR per OR petr o.s.*" (Expand Search), "fop petriov OR petrv OR peterv OR petru OR petero OR per OR petr o.s.*" (Expand Search), "fop peteriov OR peterv OR peterv OR petero OR petero OR per OR peter o.s.*" (Expand Search), "fop petriiov OR petriv OR peterv OR petrio OR petero OR per OR petri o.s.*" (Expand Search), "fop petruiov OR petruv OR peterv OR petruo OR petero OR per 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 (petrv OR peterv)) OR (((petro OR petero) OR per) OR petr)) o.s.*.