Perhaps you should try some spelling variations:
petroow » petrow (Expand Search), petrioow (Expand Search), petruoow (Expand Search), petrooow (Expand Search)
peterow » petrow (Expand Search)
petr » petri (Expand Search), petru (Expand Search), petro (Expand Search)
petrou » petriou (Expand Search), petruou (Expand Search), petroou (Expand Search), petru (Expand Search), petro (Expand Search), petrov (Expand Search)
petruuo » petriuuo (Expand Search), petruuuo (Expand Search), petrouuo (Expand Search)
peteri » peterdi (Expand Search), petri (Expand Search), peters (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 ((((petroow OR peterow) OR ((petr OR petrou) OR peter)) o) OR ((petruuo OR peteri) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((petroow OR peterow) OR ((petr OR petrou) OR peter)) o) OR ((petruuo OR peteri) _)). s.".
• Adding a wildcard symbol may retrieve word variants: fop ((((petroow OR peterow) OR ((petr OR petrou) OR peter)) o) OR ((petruuo OR peteri) _)). s.*.