Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petroiov » petrov (Expand Search), peteroiov (Expand Search), petruoiov (Expand Search), petrooiov (Expand Search)
petruoiv » petrov (Expand Search), peteruoiv (Expand Search), petruuoiv (Expand Search), petrouoiv (Expand Search)
petrooiov » peterooiov (Expand Search), petruooiov (Expand Search), petroooiov (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (Expand Search)
petr » peter (Expand Search), petru (Expand Search), petro (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 ((((peteriov OR (petroiov OR petrooiov)) OR peterov) OR petruoiv) OR (petri OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((peteriov OR (petroiov OR petrooiov)) OR peterov) OR petruoiv) OR (petri OR petr)) o.s.*".