Perhaps you should try some spelling variations:
petruw » petru (Expand Search), petrow (Expand Search), peteruw (Expand Search), petruuw (Expand Search), petrouw (Expand Search)
petrw » petrow (Expand Search), petru (Expand Search), petro (Expand Search), peterw (Expand Search), petruw (Expand Search)
petr » peter (Expand Search), petru (Expand Search), petro (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (Expand Search)
petruuo » peteruuo (Expand Search), petruuuo (Expand Search), petrouuo (Expand Search)
peteri » peterdi (Expand Search), peter (Expand Search), peters (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 (((petruw OR (petrw OR (petr OR petri))) o) OR ((petruuo OR peteri) _)). s.~".
• Adding a wildcard symbol may retrieve word variants: fop (((petruw OR (petrw OR (petr OR petri))) o) OR ((petruuo OR peteri) _)). s.*.