Perhaps you should try some spelling variations:
peteruov » petrov (Expand Search)
petrooiv » petrov (Expand Search), peterooiv (Expand Search), petriooiv (Expand Search), petruooiv (Expand Search)
petruiov » petrov (Expand Search), peteruiov (Expand Search), petriuiov (Expand Search), petruuiov (Expand Search)
petrooouov » peterooouov (Expand Search), petriooouov (Expand Search), petruooouov (Expand Search)
petruiv » peteruiv (Expand Search), petriuiv (Expand Search), petruuiv (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 ((((petrooouov OR peteruov) OR (petrooiv OR petruiv)) OR petruiov) OR (peteri OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((petrooouov OR peteruov) OR (petrooiv OR petruiv)) OR petruiov) OR (peteri OR petr)) o.s.*".