Perhaps you should try some spelling variations:
petru » pentru (Expand Search), petri (Expand Search), petriu (Expand Search), petrou (Expand Search)
petruo » pentruo (Expand Search), petrio (Expand Search), petro (Expand Search), petriuo (Expand Search), petrouo (Expand Search)
petriiu » petriiiu (Expand Search), petroiiu (Expand Search)
petroio » petrioio (Expand Search), petrooio (Expand Search)
petrouuo » petriouuo (Expand Search), petroouuo (Expand Search)
petr » 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 ((petru OR petriiu) OR (((petruo OR petroio) OR petrouuo) OR ((petr OR per) OR peter))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petru OR petriiu) OR (((petruo OR petroio) OR petrouuo) OR ((petr OR per) OR peter))) o.s.*".