Perhaps you should try some spelling variations:
perow » petrow (Expand Search)
petruw » peteruw (Expand Search), petriuw (Expand Search), petruuw (Expand Search)
petruuw » peteruuw (Expand Search), petriuuw (Expand Search), petruuuw (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)
petro » petero (Expand Search), petrio (Expand Search), petruo (Expand Search), petrov (Expand Search), petri (Expand Search), petru (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petruui (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 petruuw) OR peteruuow) OR perow) OR petr) o) OR ((petro OR petrui) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((((petruw OR petruuw) OR peteruuow) OR perow) OR petr) o) OR ((petro OR petrui) _)). s.*".