Perhaps you should try some spelling variations:
petrouuv » petrov (Expand Search), peterouuv (Expand Search), petriouuv (Expand Search), petruouuv (Expand Search)
petrioiov » peterioiov (Expand Search), petriioiov (Expand Search), petruioiov (Expand Search)
petruoouv » peteruoouv (Expand Search), petriuoouv (Expand Search), petruuoouv (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petruou (Expand Search)
petriio » peteriio (Expand Search), petriiio (Expand Search), petruiio (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 ((petrioiov OR (petruoouv OR petrouuv)) OR (((peteru OR petrou) OR petriio) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petrioiov OR (petruoouv OR petrouuv)) OR (((peteru OR petrou) OR petriio) OR petr)) o.s.*".