Perhaps you should try some spelling variations:
"fop peterov OR petruov OR petriuo OR peteriuo OR petruuo OR petriuuo OR petr o.s.*" » "fop peterov OR peteruov OR peteriuo OR peteriuo OR peteruuo OR peteriuuo OR peter o.s.*" (Expand Search), "fop peterov OR petriuov OR petriiuo OR peteriuo OR petriuuo OR petriiuuo OR petri o.s.*" (Expand Search), "fop peterov OR petruuov OR petruiuo OR peteriuo OR petruuuo OR petruiuuo 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 petruov) OR (((petriuo OR peteriuo) OR (petruuo OR petriuuo)) OR petr)) o.s.*.