Perhaps you should try some spelling variations:
"fop peteriv OR peteriov OR petriuiov OR petero OR petero OR petr o.s.*" » "fop peteriv OR petrov OR petriuiov OR petero OR petero OR petr o.s.*" (Expand Search), "fop peteriv OR peteriov OR peteriuiov OR petero OR petero OR peter o.s.*" (Expand Search), "fop peteriv OR peteriov OR petriiuiov OR petero OR petero OR petri o.s.*" (Expand Search), "fop peteriv OR peteriov OR petruiuiov OR petero OR petero 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 ((peteriv OR (peteriov OR petriuiov)) OR ((petero OR petero) OR petr)) o.s.*.