Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petruv » peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petruuiuiov » peteruuiuiov (Expand Search), petriuuiuiov (Expand Search), petruuuiuiov (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petruuo (Expand Search)
petriiuoi » peteriiuoi (Expand Search), petriiiuoi (Expand Search), petruiiuoi (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 ((petruv OR (petruuiuiov OR peteriov)) OR ((petruo OR (petriiuoi OR perui)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruv OR (petruuiuiov OR peteriov)) OR ((petruo OR (petriiuoi OR perui)) OR petr)) o.s.*".