Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petruiiov » peteruiiov (Expand Search), petriuiiov (Expand Search), petruuiiov (Expand Search)
petruiiv » peteruiiv (Expand Search), petriuiiv (Expand Search), petruuiiv (Expand Search)
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (Expand Search)
petruio » peteruio (Expand Search), petriuio (Expand Search), petruuio (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 (((peteriov OR petruiiov) OR (peteriv OR petruiiv)) OR ((petriov OR petruio) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((peteriov OR petruiiov) OR (peteriv OR petruiiv)) OR ((petriov OR petruio) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (((peteriov OR petruiiov) OR (peteriv OR petruiiv)) OR ((petriov OR petruio) OR petr)) o.s.*.