Perhaps you should try some spelling variations:
peteroov » petrov (Expand Search)
petriuiov » peteriuiov (Expand Search), petriiuiov (Expand Search), petruiuiov (Expand Search)
petriuiuiov » peteriuiuiov (Expand Search), petriiuiuiov (Expand Search), petruiuiuiov (Expand Search)
petriiiov » peteriiiov (Expand Search), petriiiiov (Expand Search), petruiiiov (Expand Search)
petrio » peterio (Expand Search), petriio (Expand Search), petruio (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 ((peteroov OR ((petriuiov OR petriuiuiov) OR petriiiov)) OR ((peteri OR petrio) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteroov OR ((petriuiov OR petriuiuiov) OR petriiiov)) OR ((peteri OR petrio) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((peteroov OR ((petriuiov OR petriuiuiov) OR petriiiov)) OR ((peteri OR petrio) OR petr)) o.s.*.