Perhaps you should try some spelling variations:
"fop peteriv OR petriiv OR petruo OR peteri OR petriio OR petr OR peteri o.s.*" » "fop peteriv OR petriiv OR petru OR peteri OR petriio OR petr OR peteri o.s.*" (Expand Search), "fop peteriv OR petriiv OR petro OR peteri OR petriio OR petr OR peteri o.s.*" (Expand Search), "fop peterdiv OR petriiv OR petruo OR peterdi OR petriio OR petr OR peterdi o.s.*" (Expand Search), "fop peterv OR petriiv OR petruo OR peter OR petriio OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petruo OR petri OR petriio OR petr OR petri o.s.*" (Expand Search), "fop peteriv OR peteriiv OR peteruo OR peteri OR peteriio OR peter OR peteri o.s.*" (Expand Search), "fop peteriv OR petriiiv OR petriuo OR peteri OR petriiio OR petri OR peteri o.s.*" (Expand Search), "fop peteriv OR petruiiv OR petruuo OR peteri OR petruiio OR petru OR peteri 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 ((peteriv OR petriiv) OR (((petruo OR peteri) OR petriio) OR (petr OR peteri))) o.s.*.