Perhaps you should try some spelling variations:
petre » petru (Expand Search), petro (Expand Search), petra (Expand Search), petere (Expand Search), petrue (Expand Search), petroe (Expand Search)
petere » peter (Expand Search), peters (Expand Search), petersen (Expand Search)
peterv » peter (Expand Search), peters (Expand Search)
petr » peter (Expand Search), petru (Expand Search), petro (Expand Search)
petroov » peteroov (Expand Search), petruoov (Expand Search), petrooov (Expand Search), petrov (Expand Search)
petrou » peterou (Expand Search), petruou (Expand Search), petroou (Expand Search), petru (Expand Search), petro (Expand Search), petrov (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (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 (((((petre OR petere) OR peterv) OR petr) OR (petroov OR peroov)) OR (petrou OR petri)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((((petre OR petere) OR peterv) OR petr) OR (petroov OR peroov)) OR (petrou OR petri)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (((((petre OR petere) OR peterv) OR petr) OR (petroov OR peroov)) OR (petrou OR petri)) o.s.*.