Perhaps you should try some spelling variations:
petriuov » petrov (Expand Search), peteriuov (Expand Search), petriiuov (Expand Search), petruiuov (Expand Search)
petrouiov » peterouiov (Expand Search), petriouiov (Expand Search), petruouiov (Expand Search)
petroouiov » peteroouiov (Expand Search), petrioouiov (Expand Search), petruoouiov (Expand Search)
petroi » peteroi (Expand Search), petrioi (Expand Search), petruoi (Expand Search)
petrooiu » peterooiu (Expand Search), petriooiu (Expand Search), petruooiu (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 (((petrouiov OR petroouiov) OR petriuov) OR (((petroi OR peteru) OR petrooiu) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petrouiov OR petroouiov) OR petriuov) OR (((petroi OR peteru) OR petrooiu) OR petr)) o.s.*".