Perhaps you should try some spelling variations:
"fop peterov OR petruuv OR petru OR petruo OR peterov OR petr OR petri o.s.*" » "fop petrov OR petruuv OR petru OR petruo OR petrov OR petr OR petri o.s.*" (Expand Search), "fop peterov OR pentruuv OR pentru OR pentruo OR peterov OR petr OR petri o.s.*" (Expand Search), "fop peterov OR petruuv OR petru OR petro OR peterov OR petr OR petri o.s.*" (Expand Search), "fop peterov OR peteruuv OR peteru OR peteruo OR peterov OR peter OR peteri o.s.*" (Expand Search), "fop peterov OR petrouuv OR petrou OR petrouo OR peterov OR petro OR petroi o.s.*" (Expand Search), "fop peterov OR peruuv OR peru OR peruo OR peterov 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 petruuv) OR (((petru OR petruo) OR peterov) OR (petr OR petri))) o.s.*.