Perhaps you should try some spelling variations:
peteriow » petrow (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)
petro » petero (Expand Search), petrio (Expand Search), petruo (Expand Search), petrov (Expand Search), petri (Expand Search), petru (Expand Search)
petrio » peterio (Expand Search), petriio (Expand Search), petruio (Expand Search)
petriiui » peteriiui (Expand Search), petriiiui (Expand Search), petruiiui (Expand Search)
petruui » peteruui (Expand Search), petriuui (Expand Search), petruuui (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 (((peteriow OR petr) o) OR (((petro OR petrio) OR (petriiui OR petruui)) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((peteriow OR petr) o) OR (((petro OR petrio) OR (petriiui OR petruui)) _)). s.".
• Adding a wildcard symbol may retrieve word variants: fop (((peteriow OR petr) o) OR (((petro OR petrio) OR (petriiui OR petruui)) _)). s.*.