Perhaps you should try some spelling variations:
"fop periv OR petr OR peteroi OR petru OR petruov OR petriov OR periv o.s.*" » "fop periv OR peter OR peteroi OR peteru OR peteruov OR peteriov OR periv o.s.*" (Expand Search), "fop periv OR petri OR peteroi OR petriu OR petriuov OR petriiov OR periv o.s.*" (Expand Search), "fop periv OR petro OR peteroi OR petrou OR petrouov OR petroiov OR periv o.s.*" (Expand Search), "fop periv OR petr OR peterdi OR petru OR petruov OR petriov OR periv o.s.*" (Expand Search), "fop periv OR petr OR peteroi OR pentru OR pentruov OR petriov OR periv o.s.*" (Expand Search), "fop periv OR petr OR peteroi OR petri OR petriov OR petriov OR periv o.s.*" (Expand Search), "fop periv OR petr OR peteroi OR petru OR petrov OR petriov OR periv o.s.*" (Expand Search), "fop periv OR petr OR peteroi OR petru OR petruov OR petrov OR periv 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 (periv OR ((((petr OR peteroi) OR petru) OR (petruov OR petriov)) OR periv)) o.s.*.