Perhaps you should try some spelling variations:
petriuiov » peteriuiov (Expand Search), petriiuiov (Expand Search), petruiuiov (Expand Search)
petruiuiov » peteruiuiov (Expand Search), petriuiuiov (Expand Search), petruuiuiov (Expand Search)
petriiiov » peteriiiov (Expand Search), petriiiiov (Expand Search), petruiiiov (Expand Search)
petroi » peteroi (Expand Search), petrioi (Expand Search), petruoi (Expand Search)
petriio » peteriio (Expand Search), petriiio (Expand Search), petruiio (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: fop ((peterov OR ((petriuiov OR petruiuiov) OR petriiiov)) OR ((petroi OR petriio) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peterov OR ((petriuiov OR petruiuiov) OR petriiiov)) OR ((petroi OR petriio) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((peterov OR ((petriuiov OR petruiuiov) OR petriiiov)) OR ((petroi OR petriio) OR petr)) o.s.*.