Perhaps you should try some spelling variations:
"fop petruv OR peteruv OR petruo OR peteru OR petr OR peterdi OR petri o.s.*" » "fop petru OR peteruv OR petruo OR peteru OR petr OR peterdi OR petri o.s.*" (Expand Search), "fop petrov OR peteruv OR petruo OR peteru OR petr OR peterdi OR petri o.s.*" (Expand Search), "fop petruv OR peteruv OR petru OR peteru OR petr OR peterdi OR petri o.s.*" (Expand Search), "fop petruv OR peteruv OR petro OR peteru OR petr OR peterdi OR petri o.s.*" (Expand Search), "fop petruv OR peterv OR petruo OR peter OR petr OR peterdi OR petri o.s.*" (Expand Search), "fop petruv OR petruv OR petruo OR petru OR petr OR peterdi OR petri o.s.*" (Expand Search), "fop petruv OR petersv OR petruo OR peters OR petr OR peterdi OR petri o.s.*" (Expand Search), "fop peteruv OR peteruv OR peteruo OR peteru OR peter OR peterdi OR peteri o.s.*" (Expand Search), "fop petruuv OR peteruv OR petruuo OR peteru OR petru OR peterdi OR petrui o.s.*" (Expand Search), "fop petrouv OR peteruv OR petrouo OR peteru OR petro OR peterdi OR petroi 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 ((petruv OR peteruv) OR ((petruo OR peteru) OR (petr OR (peterdi OR petri)))) o.s.*.