Perhaps you should try some spelling variations:
"fop petriiv OR petriuiv OR petruo OR peterio OR peteriuuv OR petriiuuv OR petr o.s.*" » "fop peteriiv OR peteriuiv OR peteruo OR peterio OR peteriuuv OR peteriiuuv OR peter o.s.*" (Expand Search), "fop petriiiv OR petriiuiv OR petriuo OR peterio OR peteriuuv OR petriiiuuv OR petri o.s.*" (Expand Search), "fop petruiiv OR petruiuiv OR petruuo OR peterio OR peteriuuv OR petruiiuuv OR petru 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 petriuiv) OR (((petruo OR peterio) OR (peteriuuv OR petriiuuv)) OR petr)) o.s.*.