Perhaps you should try some spelling variations:
peteruiv » peterdi (Expand Search)
petruov » peteruov (Expand Search), petriuov (Expand Search), petruuov (Expand Search)
petrio » peterio (Expand Search), petriio (Expand Search), petruio (Expand Search)
petriuuo » peteriuuo (Expand Search), petriiuuo (Expand Search), petruiuuo (Expand Search)
petruiiuuo » peteruiiuuo (Expand Search), petriuiiuuo (Expand Search), petruuiiuuo (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 ((peteruiv OR peterov) OR (((petruov OR petrio) OR (petriuuo OR petruiiuuo)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteruiv OR peterov) OR (((petruov OR petrio) OR (petriuuo OR petruiiuuo)) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((peteruiv OR peterov) OR (((petruov OR petrio) OR (petriuuo OR petruiiuuo)) OR petr)) o.s.*.