Perhaps you should try some spelling variations:
"fop petriv OR petriiv OR petrv OR petru OR petr OR peter o.s.*" » "fop petri OR petriiv OR petrv OR petru OR petr OR peter o.s.*" (Expand Search), "fop petris OR petriiv OR petrv OR petru OR petr OR peter o.s.*" (Expand Search), "fop petrov OR petriiv OR petrv OR petru OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petrov OR petru OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petri OR petru OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petro OR petru OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petrv OR pentru OR petr OR peter o.s.*" (Expand Search), "fop petriv OR petriiv OR petrv OR petri OR petr OR peter o.s.*" (Expand Search), "fop petriiv OR petriiiv OR petriv OR petriu OR petri OR peter o.s.*" (Expand Search), "fop petroiv OR petroiiv OR petrov OR petrou OR petro OR peter o.s.*" (Expand Search), "fop periv OR periiv OR perv 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 petrv) OR (petru OR (petr OR peter))) o.s.*.