Perhaps you should try some spelling variations:
petrvw » petrow (Expand Search), petervw (Expand Search), petrivw (Expand Search), pervw (Expand Search)
petro » petrov (Expand Search), petri (Expand Search), petero (Expand Search), petrio (Expand Search), pero (Expand Search)
petrouiou » petrovuiou (Expand Search), petriuiou (Expand Search), peterouiou (Expand Search), petriouiou (Expand Search), perouiou (Expand Search)
petr » peter (Expand Search), petri (Expand Search), per (Expand Search)
petriiu » peteriiu (Expand Search), petriiiu (Expand Search), periiu (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), peru (Expand Search), pentru (Expand Search), petri (Expand Search)
peteri » peterdi (Expand Search), peter (Expand Search), petri (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: fop (((petrvw OR petro) o) OR ((petr OR ((petriiu OR (petru OR petrouiou)) OR peteri)) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petrvw OR petro) o) OR ((petr OR ((petriiu OR (petru OR petrouiou)) OR peteri)) _)). s.".
• Adding a wildcard symbol may retrieve word variants: fop (((petrvw OR petro) o) OR ((petr OR ((petriiu OR (petru OR petrouiou)) OR peteri)) _)). s.*.