Perhaps you should try some spelling variations:
peteriiv » peterdi (Expand Search)
petruiov » petrov (Expand Search), peteruiov (Expand Search), petriuiov (Expand Search), petruuiov (Expand Search)
peteruio » peterdi (Expand Search)
peteriio » peterdi (Expand Search)
petriv » peteriv (Expand Search), petriiv (Expand Search), petruiv (Expand Search)
petruio » peteruio (Expand Search), petriuio (Expand Search), petruuio (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 (((petriv OR peteriiv) OR petruiov) OR (((petruio OR peteruio) OR peteriio) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriv OR peteriiv) OR petruiov) OR (((petruio OR peteruio) OR peteriio) OR petr)) o.s.*".