Perhaps you should try some spelling variations:
petruw » petrow (Expand Search), pentruw (Expand Search), peteruw (Expand Search), peruw (Expand Search)
petru » pentru (Expand Search), peteru (Expand Search), peru (Expand Search)
petrivw » peterivw (Expand Search), perivw (Expand Search)
petro » petero (Expand Search), pero (Expand Search)
petrov » peterov (Expand Search), perov (Expand Search)
petr » peter (Expand Search), per (Expand Search)
petri » peteri (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 (((petruw OR petrivw) o) OR (((((petro OR petrov) OR petru) OR petr) OR petri) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petruw OR petrivw) o) OR (((((petro OR petrov) OR petru) OR petr) OR petri) _)). s.*".