Perhaps you should try some spelling variations:
petruiiiiv » peteruiiiiv (Expand Search), petriuiiiiv (Expand Search), petruuiiiiv (Expand Search)
petriuiv » peteriuiv (Expand Search), petriiuiv (Expand Search), petruiuiv (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petruuo (Expand Search)
petruv » peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petriuo » peteriuo (Expand Search), petriiuo (Expand Search), petruiuo (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (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 (((petruiiiiv OR peteriv) OR petriuiv) OR (((petruo OR petruv) OR petriuo) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petruiiiiv OR peteriv) OR petriuiv) OR (((petruo OR petruv) OR petriuo) OR petr)) o.s.*".