Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petriv » peteriv (Expand Search), petriiv (Expand Search), petroiv (Expand Search)
petrioiiov » peterioiiov (Expand Search), petriioiiov (Expand Search), petroioiiov (Expand Search)
petruiiov » peteruiiov (Expand Search), petriuiiov (Expand Search), petrouiiov (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: fop (((petriv OR peteriuv) OR (peteriov OR (petrioiiov OR petruiiov))) OR (petru OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriv OR peteriuv) OR (peteriov OR (petrioiiov OR petruiiov))) OR (petru OR petr)) o.s.*".