Perhaps you should try some spelling variations:
"fop petriiov OR petriov OR peterov OR petero OR petruo OR petriuo OR petr o.s.*" » "fop petrov OR petriov OR peterov OR petero OR petruo OR petriuo OR petr o.s.*" (Expand Search), "fop peteriiov OR peteriov OR peterov OR petero OR peteruo OR peteriuo OR peter o.s.*" (Expand Search), "fop petriiiov OR petriiov OR peterov OR petero OR petriuo OR petriiuo OR petri o.s.*" (Expand Search), "fop petruiiov OR petruiov OR peterov OR petero OR petruuo OR petruiuo 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 ((petriiov OR (petriov OR peterov)) OR ((petero OR (petruo OR petriuo)) OR petr)) o.s.*.