Perhaps you should try some spelling variations:
peteruio » peterdi (Expand Search)
petruiiiov » peteruiiiov (Expand Search), petriuiiiov (Expand Search), petrouiiiov (Expand Search)
petruuiiov » peteruuiiov (Expand Search), petriuuiiov (Expand Search), petrouuiiov (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petriiv » peteriiv (Expand Search), petriiiv (Expand Search), petroiiv (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (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 (((petruiiiov OR petruuiiov) OR peteriiov) OR (((petru OR peteruio) OR petriiv) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petruiiiov OR petruuiiov) OR peteriiov) OR (((petru OR peteruio) OR petriiv) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (((petruiiiov OR petruuiiov) OR peteriiov) OR (((petru OR peteruio) OR petriiv) OR petr)) o.s.*.