Perhaps you should try some spelling variations:
"fop petriov OR petruuiov OR peteruiov OR petriio OR petruuuio OR petr o.s.*" » "fop peteriov OR peteruuiov OR peteruiov OR peteriio OR peteruuuio OR peter o.s.*" (Expand Search), "fop petriiov OR petriuuiov OR peteruiov OR petriiio OR petriuuuio OR petri o.s.*" (Expand Search), "fop petruiov OR petruuuiov OR peteruiov OR petruiio OR petruuuuio 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 ((petriov OR (petruuiov OR peteruiov)) OR ((petriio OR petruuuio) OR petr)) o.s.*.