Perhaps you should try some spelling variations:
"fop petriov OR petruv OR peruv OR peteriuv OR petrou OR petrui OR petr o.s.*" » "fop peteriov OR peteruv OR peruv OR peteriuv OR peterou OR peterui OR peter o.s.*" (Expand Search), "fop petriiov OR petriuv OR peruv OR peteriuv OR petriou OR petriui OR petri o.s.*" (Expand Search), "fop petruiov OR petruuv OR peruv OR peteriuv OR petruou OR petruui 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 ((petruv OR peruv) OR peteriuv)) OR ((petrou OR petrui) OR petr)) o.s.*.