Perhaps you should try some spelling variations:
"fop petriov OR petruiv OR petruov OR peteroiuo OR petr OR peteri OR peterdi o.s.*" » "fop petrov OR petruiv OR petruov OR peteroiuo OR petr OR peteri OR peterdi o.s.*" (Expand Search), "fop petriov OR petruiv OR petrov OR peteroiuo OR petr OR peteri OR peterdi o.s.*" (Expand Search), "fop peteriov OR peteruiv OR peteruov OR peteroiuo OR peter OR peteri OR peterdi o.s.*" (Expand Search), "fop petriiov OR petriuiv OR petriuov OR peteroiuo OR petri OR peteri OR peterdi o.s.*" (Expand Search), "fop petruiov OR petruuiv OR petruuov OR peteroiuo OR petru OR peteri OR peterdi o.s.*" (Expand Search), "fop petriov OR petruiv OR petruov OR peteroiuo OR petr OR peter OR peterdi o.s.*" (Expand Search), "fop petriov OR petruiv OR petruov OR peteroiuo OR petr OR petri OR peterdi o.s.*" (Expand Search), "fop petriov OR petruiv OR petruov OR peteroiuo OR petr OR peters OR peterdi 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 petruiv) OR ((petruov OR peteroiuo) OR (petr OR (peteri OR peterdi)))) o.s.*.