Perhaps you should try some spelling variations:
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (Expand Search)
petruiuuov » peteruiuuov (Expand Search), petriuiuuov (Expand Search), petruuiuuov (Expand Search)
petruuiuuov » peteruuiuuov (Expand Search), petriuuiuuov (Expand Search), petruuuiuuov (Expand Search)
petruuiiuuov » peteruuiiuuov (Expand Search), petriuuiiuuov (Expand Search), petruuuiiuuov (Expand Search)
petrio » peterio (Expand Search), petriio (Expand Search), petruio (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 ((petruiuuov OR petruuiuuov) OR petruuiiuuov)) OR (petrio OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriov OR ((petruiuuov OR petruuiuuov) OR petruuiiuuov)) OR (petrio OR petr)) o.s.*".