Perhaps you should try some spelling variations:
petru » pentru (Expand Search), peteru (Expand Search), petrou (Expand Search), peru (Expand Search)
petruiu » pentruiu (Expand Search), peteruiu (Expand Search), petrouiu (Expand Search), peruiu (Expand Search)
petruou » pentruou (Expand Search), peteruou (Expand Search), petrouou (Expand Search), peruou (Expand Search)
petriu » peteriu (Expand Search), petroiu (Expand Search), periu (Expand Search)
petris » peteris (Expand Search), petrois (Expand Search), peris (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 (peteriv OR ((((petriu OR petru) OR petruiu) OR petris) OR (petr OR (petruou OR petri)))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (peteriv OR ((((petriu OR petru) OR petruiu) OR petris) OR (petr OR (petruou OR petri)))) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (peteriv OR ((((petriu OR petru) OR petruiu) OR petris) OR (petr OR (petruou OR petri)))) o.s.*.