Perhaps you should try some spelling variations:
"fop peterov OR petruov OR petruo OR petruuo OR peter OR petr OR petri o.s.*" » "fop petrov OR petruov OR petruo OR petruuo OR peter OR petr OR petri o.s.*" (Expand Search), "fop peterov OR petrov OR petruo OR petruuo OR peter OR petr OR petri o.s.*" (Expand Search), "fop peterov OR petruv OR petru OR petruuo OR peter OR petr OR petri o.s.*" (Expand Search), "fop peterov OR petrov OR petro OR petruuo OR peter OR petr OR petri o.s.*" (Expand Search), "fop peterov OR petruuov OR petruuo OR petruuuo OR peter OR petru OR petrui o.s.*" (Expand Search), "fop peterov OR petrouov OR petrouo OR petrouuo OR peter OR petro OR petroi o.s.*" (Expand Search), "fop peterov OR peruov OR peruo OR peruuo OR peter OR per OR peri 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 (((petruo OR petruuo) OR peter) OR (petr OR petri))) o.s.*.