Perhaps you should try some spelling variations:
peteruov » petrov (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petruuo (Expand Search)
petriuuo » peteriuuo (Expand Search), petriiuuo (Expand Search), petruiuuo (Expand Search)
petriuiuo » peteriuiuo (Expand Search), petriiuiuo (Expand Search), petruiuiuo (Expand Search)
petruiuiuo » peteruiuiuo (Expand Search), petriuiuiuo (Expand Search), petruuiuiuo (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 (peteruov OR (((petero OR (petruo OR petriuuo)) OR (petriuiuo OR petruiuiuo)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (peteruov OR (((petero OR (petruo OR petriuuo)) OR (petriuiuo OR petruiuiuo)) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (peteruov OR (((petero OR (petruo OR petriuuo)) OR (petriuiuo OR petruiuiuo)) OR petr)) o.s.*.