Perhaps you should try some spelling variations:
peteriiv » peterdi (Expand Search)
petriiov » petrov (Expand Search), peteriiov (Expand Search), petriiiov (Expand Search), petruiiov (Expand Search)
petruiiv » peteruiiv (Expand Search), petriuiiv (Expand Search), petruuiiv (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petruuo (Expand Search)
petriuiiov » peteriuiiov (Expand Search), petriiuiiov (Expand Search), petruiuiiov (Expand Search)
petriuuiov » peteriuuiov (Expand Search), petriiuuiov (Expand Search), petruiuuiov (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: fop ((peteriiv OR petruiiv) OR ((petruo OR ((petriiov OR petriuiiov) OR petriuuiov)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteriiv OR petruiiv) OR ((petruo OR ((petriiov OR petriuiiov) OR petriuuiov)) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((peteriiv OR petruiiv) OR ((petruo OR ((petriiov OR petriuiiov) OR petriuuiov)) OR petr)) o.s.*.