Perhaps you should try some spelling variations:
peteriow » petrow (Expand Search)
petr » peter (Expand Search), petru (Expand Search), petro (Expand Search)
petruo » peteruo (Expand Search), petruuo (Expand Search), petrouo (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (Expand Search)
petrio » peterio (Expand Search), petruio (Expand Search), petroio (Expand Search)
petriiui » peteriiui (Expand Search), petruiiui (Expand Search), petroiiui (Expand Search)
petruouui » peteruouui (Expand Search), petruuouui (Expand Search), petrououui (Expand Search)

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 ((((petruo OR petri) OR petrio) OR (petriiui OR petruouui)) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((peteriow OR petr) o) OR ((((petruo OR petri) OR petrio) OR (petriiui OR petruouui)) _)). s.*".