Perhaps you should try some spelling variations:
petru » pentru (Expand Search), petrou (Expand Search), peru (Expand Search)
petruo » pentruo (Expand Search), petro (Expand Search), petrouo (Expand Search), peruo (Expand Search)
petruio » pentruio (Expand Search), petrouio (Expand Search), peruio (Expand Search)
petrooiov » petroooiov (Expand Search), perooiov (Expand Search)
petri » petroi (Expand Search), peri (Expand Search)
petroio » petrooio (Expand Search), peroio (Expand Search)
petr » petro (Expand Search), per (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 (petrooiov OR ((((petru OR petri) OR petruo) OR (petroio OR petruio)) OR (petr OR peter))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petrooiov OR ((((petru OR petri) OR petruo) OR (petroio OR petruio)) OR (petr OR peter))) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (petrooiov OR ((((petru OR petri) OR petruo) OR (petroio OR petruio)) OR (petr OR peter))) o.s.*.