Perhaps you should try some spelling variations:
peteriio » peterdi (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petruiuv (Expand Search)
petruiiuv » peteruiiuv (Expand Search), petriuiiuv (Expand Search), petruuiiuv (Expand Search)
petriio » peteriio (Expand Search), petriiio (Expand Search), petruiio (Expand Search)
petriiuo » peteriiuo (Expand Search), petriiiuo (Expand Search), petruiiuo (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 ((petriuv OR petruiiuv) OR (((petriio OR peteriio) OR (petriiuo OR petriiuo)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriuv OR petruiiuv) OR (((petriio OR peteriio) OR (petriiuo OR petriiuo)) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petriuv OR petruiiuv) OR (((petriio OR peteriio) OR (petriiuo OR petriiuo)) OR petr)) o.s.*.