Perhaps you should try some spelling variations:
petr » peter (Expand Search), petro (Expand Search), per (Expand Search)
petriu » peteriu (Expand Search), petroiu (Expand Search), periu (Expand Search)
petris » peteris (Expand Search), petrois (Expand Search), peris (Expand Search)
petru » peteru (Expand Search), petrou (Expand Search), peru (Expand Search), pentru (Expand Search)
petrouiu » peterouiu (Expand Search), petroouiu (Expand Search), perouiu (Expand Search), petroiu (Expand Search), petroviu (Expand Search), petrowiu (Expand Search)
petrou » peterou (Expand Search), petroou (Expand Search), perou (Expand Search), petro (Expand Search), petrov (Expand Search), petrow (Expand Search)
petri » peteri (Expand Search), petroi (Expand Search), peri (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 (((petr OR ((((petriu OR petris) OR petru) OR petrouiu) OR petrou)) OR petri) OR petri) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petr OR ((((petriu OR petris) OR petru) OR petrouiu) OR petrou)) OR petri) OR petri) o.s.*".