Perhaps you should try some spelling variations:
"fop peterov OR petriov OR petrov OR peteruiov OR petrio OR petruuo OR petr o.s.*" » "fop peterov OR peteriov OR peterov OR peteruiov OR peterio OR peteruuo OR peter o.s.*" (Expand Search), "fop peterov OR petriiov OR petriov OR peteruiov OR petriio OR petriuuo OR petri o.s.*" (Expand Search), "fop peterov OR petruiov OR petruov OR peteruiov OR petruio OR petruuuo 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 ((peterov OR (petriov OR (petrov OR peteruiov))) OR ((petrio OR petruuo) OR petr)) o.s.*.