Perhaps you should try some spelling variations:
peteri » peterdi (Expand Search), peters (Expand Search)
petruo » petru (Expand Search), petro (Expand Search), petruuo (Expand Search), petrouo (Expand Search), peruo (Expand Search)
petruiv » petruuiv (Expand Search), petrouiv (Expand Search), peruiv (Expand Search)
petri » petrui (Expand Search), petroi (Expand Search), peri (Expand Search)
petruio » petruuio (Expand Search), petrouio (Expand Search), peruio (Expand Search)
petris » petruis (Expand Search), petrois (Expand Search), peris (Expand Search)
petr » petru (Expand Search), petro (Expand Search), per (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 ((petruiv OR petri) OR ((((petruio OR petris) OR peteri) OR petruo) OR (petr OR peter))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruiv OR petri) OR ((((petruio OR petris) OR peteri) OR petruo) OR (petr OR peter))) o.s.*".