Perhaps you should try some spelling variations:
petr » peter (Expand Search), petri (Expand Search), petro (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petroou (Expand Search), petro (Expand Search), petrov (Expand Search), petrow (Expand Search)
petriou » peteriou (Expand Search), petriiou (Expand Search), petroiou (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search), pentru (Expand Search), petri (Expand Search)
peteri » peterdi (Expand Search), peter (Expand Search), petri (Expand Search)
peters » peter (Expand Search), petersen (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petr OR (((petrou OR petriou) OR peterou) OR ((petru OR peteri) OR peters))) _. s.~".
• Adding a wildcard symbol may retrieve word variants: fop (petr OR (((petrou OR petriou) OR peterou) OR ((petru OR peteri) OR peters))) _. s.*.