Perhaps you should try some spelling variations:
petr » peter (Expand Search), petru (Expand Search), per (Expand Search)
petro » petero (Expand Search), petruo (Expand Search), pero (Expand Search), petrov (Expand Search), petru (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), peri (Expand Search)
petrui » peterui (Expand Search), petruui (Expand Search), perui (Expand Search), petru (Expand Search)
petruuui » peteruuui (Expand Search), petruuuui (Expand Search), peruuui (Expand Search)
petruouui » peteruouui (Expand Search), petruuouui (Expand Search), peruouui (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 (((peruow OR (petr OR petro)) o) OR ((petri OR (petrui OR (petruuui OR petruouui))) _)). s.~".
• Adding a wildcard symbol may retrieve word variants: fop (((peruow OR (petr OR petro)) o) OR ((petri OR (petrui OR (petruuui OR petruouui))) _)). s.*.