Perhaps you should try some spelling variations:
"fop petriiv OR petriiiv OR petruuo OR peteriuo OR peter OR petr OR petri o.s.*" » "fop petruiiv OR petruiiiv OR petruuuo OR peteriuo OR peter OR petru OR petrui o.s.*" (Expand Search), "fop petroiiv OR petroiiiv OR petrouuo OR peteriuo OR peter OR petro OR petroi o.s.*" (Expand Search), "fop periiv OR periiiv OR peruuo OR peteriuo OR peter OR per OR peri 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 ((petriiv OR petriiiv) OR (((petruuo OR peteriuo) OR peter) OR (petr OR petri))) o.s.*.