Perhaps you should try some spelling variations:
petru » pentru (Expand Search), peteru (Expand Search), petrou (Expand Search), peru (Expand Search)
petruvuov » pentruvuov (Expand Search), peteruvuov (Expand Search), petrouvuov (Expand Search), peruvuov (Expand Search)
petruuo » pentruuo (Expand Search), peteruuo (Expand Search), petrouuo (Expand Search), peruuo (Expand Search)
petrioi » peterioi (Expand Search), petroioi (Expand Search), perioi (Expand Search)
petr » peter (Expand Search), petro (Expand Search), per (Expand Search)
petri » peteri (Expand Search), petroi (Expand Search), peri (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 ((petru OR petruvuov) OR (((peteruo OR petruuo) OR petrioi) OR (petr OR petri))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petru OR petruvuov) OR (((peteruo OR petruuo) OR petrioi) OR (petr OR petri))) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petru OR petruvuov) OR (((peteruo OR petruuo) OR petrioi) OR (petr OR petri))) o.s.*.