Perhaps you should try some spelling variations:
"fop petriv OR petriiv OR petriuiv OR petruuiv OR petru OR petr OR peter o.s.*" » "fop petri OR petriiv OR petriuiv OR petruuiv OR petru OR petr OR peter o.s.*" (Expand Search), "fop petris OR petriiv OR petriuiv OR petruuiv OR petru OR petr OR peter o.s.*" (Expand Search), "fop petrov OR petriiv OR petriuiv OR petruuiv OR petru OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petriuiv OR pentruuiv OR pentru OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petriuiv OR petriuiv OR petri OR petr OR peter o.s.*" (Expand Search), "fop petriiv OR petriiiv OR petriiuiv OR petriuuiv OR petriu OR petri OR peter o.s.*" (Expand Search), "fop petroiv OR petroiiv OR petroiuiv OR petrouuiv OR petrou OR petro OR peter o.s.*" (Expand Search), "fop periv OR periiv OR periuiv OR peruuiv OR peru OR per 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 petriuiv) OR petruuiv) OR (petru OR (petr OR peter))) o.s.*.