Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petruuuuov » peteruuuuov (Expand Search), petriuuuuov (Expand Search), petruuuuuov (Expand Search)
petruuiov » peteruuiov (Expand Search), petriuuiov (Expand Search), petruuuiov (Expand Search)
petruuv » peteruuv (Expand Search), petriuuv (Expand Search), petruuuv (Expand Search)
petriiv » peteriiv (Expand Search), petriiiv (Expand Search), petruiiv (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 ((petruuuuov OR (peteriov OR petruuiov)) OR ((petero OR (petruuv OR petriiv)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruuuuov OR (peteriov OR petruuiov)) OR ((petero OR (petruuv OR petriiv)) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petruuuuov OR (peteriov OR petruuiov)) OR ((petero OR (petruuv OR petriiv)) OR petr)) o.s.*.