Perhaps you should try some spelling variations:
"fop petriov OR petriiov OR petriiiov OR petruov OR petri OR petr o.s.*" » "fop petriov OR petrov OR petriiiov OR petruov OR petri OR petr o.s.*" (Expand Search), "fop peteriov OR peteriiov OR peteriiiov OR peteruov OR peteri OR peter o.s.*" (Expand Search), "fop petruiov OR petruiiov OR petruiiiov OR petruuov OR petrui OR petru o.s.*" (Expand Search), "fop petroiov OR petroiiov OR petroiiiov OR petrouov OR petroi OR petro 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 (petriiov OR petriiiov)) OR ((petruov OR petri) OR petr)) o.s.*.