Perhaps you should try some spelling variations:
peteruov » petrov (Expand Search)
petriuuv » peteriuuv (Expand Search), petriiuuv (Expand Search), petruiuuv (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petruuo (Expand Search)
petruuo » peteruuo (Expand Search), petriuuo (Expand Search), petruuuo (Expand Search)
petrouuuo » peterouuuo (Expand Search), petriouuuo (Expand Search), petruouuuo (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (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 ((peteruov OR petriuuv) OR ((peteru OR (petruo OR (petruuo OR petrouuuo))) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteruov OR petriuuv) OR ((peteru OR (petruo OR (petruuo OR petrouuuo))) OR petr)) o.s.*".