Perhaps you should try some spelling variations:
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petroou (Expand Search)
petriiiou » peteriiiou (Expand Search), petriiiiou (Expand Search), petroiiiou (Expand Search)
petrio » peterio (Expand Search), petriio (Expand Search), petroio (Expand Search)
petroiuo » peteroiuo (Expand Search), petrioiuo (Expand Search), petrooiuo (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 (peteriiov OR ((((petru OR (petrou OR petriiiou)) OR petrio) OR petroiuo) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (peteriiov OR ((((petru OR (petrou OR petriiiou)) OR petrio) OR petroiuo) OR petr)) o.s.*".