Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petrouiv » petrov (Expand Search), peterouiv (Expand Search), petriouiv (Expand Search), petruouiv (Expand Search)
petriuuiv » peteriuuiv (Expand Search), petriiuuiv (Expand Search), petruiuuiv (Expand Search)
petroio » peteroio (Expand Search), petrioio (Expand Search), petruoio (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petruuo (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (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 ((peteriov OR (petrouiv OR petriuuiv)) OR (((peteru OR petroio) OR petruo) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteriov OR (petrouiv OR petriuuiv)) OR (((peteru OR petroio) OR petruo) OR petr)) o.s.*".