Perhaps you should try some spelling variations:
petrio » petris (Expand Search), petro (Expand Search), petroio (Expand Search), perio (Expand Search)
petriiiv » petroiiiv (Expand Search), periiiv (Expand Search)
petruiiv » petrouiiv (Expand Search), peruiiv (Expand Search), pentruiiv (Expand Search)
petr » petro (Expand Search), per (Expand Search)
petrov » petroov (Expand Search), perov (Expand Search), petro (Expand Search)
petru » petrou (Expand Search), peru (Expand Search), pentru (Expand Search)
petri » petroi (Expand Search), peri (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 (((petriiiv OR petruiiv) OR peter) OR (petrio OR (((petr OR petrov) OR petru) OR petri))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriiiv OR petruiiv) OR peter) OR (petrio OR (((petr OR petrov) OR petru) OR petri))) o.s.*".