Perhaps you should try some spelling variations:
"fop petruuuv OR peteriiiiuv OR petrov OR petriuo OR peteriuo OR petriio OR petr o.s.*" » "fop peteruuuv OR peteriiiiuv OR peterov OR peteriuo OR peteriuo OR peteriio OR peter o.s.*" (Expand Search), "fop petriuuuv OR peteriiiiuv OR petriov OR petriiuo OR peteriuo OR petriiio OR petri o.s.*" (Expand Search), "fop petruuuuv OR peteriiiiuv OR petruov OR petruiuo OR peteriuo OR petruiio 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 ((petruuuv OR peteriiiiuv) OR (((petrov OR (petriuo OR peteriuo)) OR petriio) OR petr)) o.s.*.