Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petroioiov » peteroioiov (Expand Search), petrioioiov (Expand Search), petrooioiov (Expand Search)
petriio » peteriio (Expand Search), petriiio (Expand Search), petroiio (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petroiu » peteroiu (Expand Search), petrioiu (Expand Search), petrooiu (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 ((peteriov OR petroioiov) OR (((petriio OR petriio) OR (petru OR petroiu)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteriov OR petroioiov) OR (((petriio OR petriio) OR (petru OR petroiu)) OR petr)) o.s.*".