Perhaps you should try some spelling variations:
peterioi » peterdi (Expand Search)
petruiov » petrov (Expand Search), peteruiov (Expand Search), petriuiov (Expand Search), petruuiov (Expand Search)
petriuuiov » peteriuuiov (Expand Search), petriiuuiov (Expand Search), petruiuuiov (Expand Search)
petruoiov » peteruoiov (Expand Search), petriuoiov (Expand Search), petruuoiov (Expand Search)
petruov » peteruov (Expand Search), petriuov (Expand Search), petruuov (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 ((petriuuiov OR petruoiov) OR ((peterioi OR (petruiov OR petruov)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriuuiov OR petruoiov) OR ((peterioi OR (petruiov OR petruov)) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petriuuiov OR petruoiov) OR ((peterioi OR (petruiov OR petruov)) OR petr)) o.s.*.