Perhaps you should try some spelling variations:
peteruov » petrov (Expand Search)
petriov » peteriov (Expand Search), petriiov (Expand Search), petroiov (Expand Search)
petruuiiov » peteruuiiov (Expand Search), petriuuiiov (Expand Search), petrouuiiov (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petriv » peteriv (Expand Search), petriiv (Expand Search), petroiv (Expand Search)
petruiiuo » peteruiiuo (Expand Search), petriuiiuo (Expand Search), petrouiiuo (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 (((petriov OR petruuiiov) OR peteruov) OR (((petru OR petriv) OR petruiiuo) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriov OR petruuiiov) OR peteruov) OR (((petru OR petriv) OR petruiiuo) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (((petriov OR petruuiiov) OR peteruov) OR (((petru OR petriv) OR petruiiuo) OR petr)) o.s.*.