Perhaps you should try some spelling variations:
"fop petrov OR peterv OR petrio OR petruio OR petrouio OR petr OR petri o.s.*" » "fop petro OR peterv OR petrio OR petruio OR petrouio OR petr OR petri o.s.*" (Expand Search), "fop petrov OR peter OR petrio OR petruio OR petrouio OR petr OR petri o.s.*" (Expand Search), "fop petrov OR peters OR petrio OR petruio OR petrouio OR petr OR petri o.s.*" (Expand Search), "fop petrov OR peterv OR petris OR petruio OR petrouio OR petr OR petri o.s.*" (Expand Search), "fop petrov OR peterv OR petro OR petruio OR petrouio OR petr OR petri o.s.*" (Expand Search), "fop peterov OR peterv OR peterio OR peteruio OR peterouio OR peter OR peteri o.s.*" (Expand Search), "fop petruov OR peterv OR petruio OR petruuio OR petruouio OR petru OR petrui o.s.*" (Expand Search), "fop petroov OR peterv OR petroio OR petrouio OR petroouio OR petro 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 ((petrov OR peterv) OR ((petrio OR (petruio OR petrouio)) OR (petr OR petri))) o.s.*.