Perhaps you should try some spelling variations:
petriiov » petrov (Expand Search), peteriiov (Expand Search), petriiiov (Expand Search), petruiiov (Expand Search)
petruiov » petrov (Expand Search), peteruiov (Expand Search), petriuiov (Expand Search), petruuiov (Expand Search)
petruiuiov » peteruiuiov (Expand Search), petriuiuiov (Expand Search), petruuiuiov (Expand Search)
petruuo » peteruuo (Expand Search), petriuuo (Expand Search), petruuuo (Expand Search)
petruiuo » peteruiuo (Expand Search), petriuiuo (Expand Search), petruuiuo (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 (((petriiov OR (petruiov OR petruiuiov)) OR peterv) OR ((petruuo OR petruiuo) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriiov OR (petruiov OR petruiuiov)) OR peterv) OR ((petruuo OR petruiuo) OR petr)) o.s.*".