Perhaps you should try some spelling variations:
"fop peterov OR petriv OR petruuiov OR petriiov OR peteriiov OR petrov OR petr o.s.*" » "fop peterov OR peteriv OR peteruuiov OR peteriiov OR peteriiov OR peterov OR peter o.s.*" (Expand Search), "fop peterov OR petriiv OR petriuuiov OR petriiiov OR peteriiov OR petriov OR petri o.s.*" (Expand Search), "fop peterov OR petruiv OR petruuuiov OR petruiiov OR peteriiov OR petruov 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 petriv) OR (petruuiov OR (petriiov OR peteriiov))) OR (petrov OR petr)) o.s.*.