Perhaps you should try some spelling variations:
peterow » petrow (Expand Search)
petro » petrov (Expand Search), petru (Expand Search), petero (Expand Search), petruo (Expand Search), pero (Expand Search)
petruiw » peteruiw (Expand Search), petruuiw (Expand Search), peruiw (Expand Search)
petr » peter (Expand Search), petru (Expand Search), per (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), peri (Expand Search)
peteru » peter (Expand Search), petru (Expand Search), peters (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 ((((petruiw OR peterow) OR petro) o) OR (((petr OR petri) OR peteru) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((petruiw OR peterow) OR petro) o) OR (((petr OR petri) OR peteru) _)). s.*".