Perhaps you should try some spelling variations:
petruiov » petrov (Expand Search), peteruiov (Expand Search), petriuiov (Expand Search), petruuiov (Expand Search)
petruv » peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petriiuov » peteriiuov (Expand Search), petriiiuov (Expand Search), petruiiuov (Expand Search)
petruiu » peteruiu (Expand Search), petriuiu (Expand Search), petruuiu (Expand Search)
petriiu » peteriiu (Expand Search), petriiiu (Expand Search), petruiiu (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 ((((petruiov OR petruiov) OR petruv) OR petriiuov) OR ((petruiu OR petriiu) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((petruiov OR petruiov) OR petruv) OR petriiuov) OR ((petruiu OR petriiu) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((((petruiov OR petruiov) OR petruv) OR petriiuov) OR ((petruiu OR petriiu) OR petr)) o.s.*.