Perhaps you should try some spelling variations:
petriw » petri (Expand Search), petris (Expand Search), petrow (Expand Search), peteriw (Expand Search), petriiw (Expand Search), petroiw (Expand Search)
petruv » petrov (Expand Search), pentruv (Expand Search), petriv (Expand Search), peteruv (Expand Search), petriuv (Expand Search), petrouv (Expand Search)
petru » pentru (Expand Search), petri (Expand Search), peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petruo » pentruo (Expand Search), petrio (Expand Search), petro (Expand Search), peteruo (Expand Search), petriuo (Expand Search), petrouo (Expand Search)
petroi » petri (Expand Search), petro (Expand Search), petrov (Expand Search), peteroi (Expand Search), petrioi (Expand Search), petrooi (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (Expand Search)
peris » petris (Expand Search), paris (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriw OR ((petruv OR (petru OR petroi)) OR petruo)) o) OR ((petr OR peris) _)). s.~".
• Adding a wildcard symbol may retrieve word variants: fop (((petriw OR ((petruv OR (petru OR petroi)) OR petruo)) o) OR ((petr OR peris) _)). s.*.