Perhaps you should try some spelling variations:
petruiiov » peteruiiov (Expand Search), petriuiiov (Expand Search), petruuiiov (Expand Search)
petroiiuuiiov » peteroiiuuiiov (Expand Search), petrioiiuuiiov (Expand Search), petruoiiuuiiov (Expand Search)
petroi » peteroi (Expand Search), petrioi (Expand Search), petruoi (Expand Search)
petrioi » peterioi (Expand Search), petriioi (Expand Search), petruioi (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petruuo (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 ((petruiiov OR petroiiuuiiov) OR ((((petroi OR petrioi) OR peterio) OR petruo) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruiiov OR petroiiuuiiov) OR ((((petroi OR petrioi) OR peterio) OR petruo) OR petr)) o.s.*".