Perhaps you should try some spelling variations:
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (Expand Search)
petriiuo » peteriiuo (Expand Search), petriiiuo (Expand Search), petruiiuo (Expand Search)
petriiiuo » peteriiiuo (Expand Search), petriiiiuo (Expand Search), petruiiiuo (Expand Search)
petrio » peterio (Expand Search), petriio (Expand Search), petruio (Expand Search)
petriiiuio » peteriiiuio (Expand Search), petriiiiuio (Expand Search), petruiiiuio (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 (petriov OR ((((petriiuo OR petriiiuo) OR peteriiuo) OR (petrio OR petriiiuio)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petriov OR ((((petriiuo OR petriiiuo) OR peteriiuo) OR (petrio OR petriiiuio)) OR petr)) o.s.*".