Perhaps you should try some spelling variations:
"fop peterov OR petriov OR petruv OR petriuv OR peterv OR peteruo OR petr o.s.*" » "fop peterov OR peteriov OR peteruv OR peteriuv OR peterv OR peteruo OR peter o.s.*" (Expand Search), "fop peterov OR petriiov OR petriuv OR petriiuv OR peterv OR peteruo OR petri o.s.*" (Expand Search), "fop peterov OR petruiov OR petruuv OR petruiuv OR peterv OR peteruo 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 petriov) OR (petruv OR petriuv)) OR peterv) OR (peteruo OR petr)) o.s.*.