Perhaps you should try some spelling variations:
petr » peter (Expand Search), petru (Expand Search), petro (Expand Search)
petrou » peterou (Expand Search), petruou (Expand Search), petroou (Expand Search), petru (Expand Search), petro (Expand Search), petrov (Expand Search)
petriou » peteriou (Expand Search), petruiou (Expand Search), petroiou (Expand Search)
petriiou » peteriiou (Expand Search), petruiiou (Expand Search), petroiiou (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (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 petriiou)) OR peterou) OR (petri OR peters))) _. s.~".
• Adding a wildcard symbol may retrieve word variants: fop (petr OR (((petrou OR (petriou OR petriiou)) OR peterou) OR (petri OR peters))) _. s.*.