Perhaps you should try some spelling variations:
peterov » petrov (Expand Search)
petruvw » peteruvw (Expand Search), petrouvw (Expand Search), peruvw (Expand Search), pentruvw (Expand Search)
petrivw » peterivw (Expand Search), petroivw (Expand Search), perivw (Expand Search)
petr » peter (Expand Search), petro (Expand Search), per (Expand Search)
petru » peteru (Expand Search), petrou (Expand Search), peru (Expand Search), pentru (Expand Search)
petri » peteri (Expand Search), petroi (Expand Search), peri (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 ((((periov OR peterov) OR (petruvw OR petrivw)) o) OR ((petr OR (petru OR petri)) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((periov OR peterov) OR (petruvw OR petrivw)) o) OR ((petr OR (petru OR petri)) _)). s.*".