Perhaps you should try some spelling variations:
peruiov » petruiov (Expand Search), periov (Expand Search)
peruuv » petruuv (Expand Search), peruv (Expand Search)
peru » petru (Expand Search), per (Expand Search)
petrv » peterv (Expand Search), petruv (Expand Search), petrov (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (Expand Search)
petrui » peterui (Expand Search), petruui (Expand Search), petroui (Expand Search)
petr » peter (Expand Search), petru (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 (((peruiov OR peruuv) OR petrv) OR (((peru OR petero) OR (petri OR petrui)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((peruiov OR peruuv) OR petrv) OR (((peru OR petero) OR (petri OR petrui)) OR petr)) o.s.*".