Perhaps you should try some spelling variations:
"fop petriv OR petriiv OR petrio OR petriio OR petr OR peter o.s.*" » "fop petri OR petriiv OR petrio OR petriio OR petr OR peter o.s.*" (Expand Search), "fop petris OR petriiv OR petrio OR petriio OR petr OR peter o.s.*" (Expand Search), "fop petrov OR petriiv OR petrio OR petriio OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petri OR petriio OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petris OR petriio OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petro OR petriio OR petr OR peter o.s.*" (Expand Search), "fop petriiv OR petriiiv OR petriio OR petriiio OR petri OR peter o.s.*" (Expand Search), "fop petruiv OR petruiiv OR petruio OR petruiio OR petru OR peter o.s.*" (Expand Search), "fop petroiv OR petroiiv OR petroio OR petroiio OR petro OR peter 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 ((petriv OR petriiv) OR ((petrio OR petriio) OR (petr OR peter))) o.s.*.