Perhaps you should try some spelling variations:
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petruou (Expand Search), petru (Expand Search), petro (Expand Search), petrow (Expand Search)
petriiou » peteriiou (Expand Search), petriiiou (Expand Search), petruiiou (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petruov (Expand Search), petro (Expand Search)
petruiov » peteruiov (Expand Search), petriuiov (Expand Search), petruuiov (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 (peters OR ((petrou OR (petriiou OR petriiou)) OR (petrov OR petruiov)))) _. s.~".
• Adding a wildcard symbol may retrieve word variants: fop (petr OR (peters OR ((petrou OR (petriiou OR petriiou)) OR (petrov OR petruiov)))) _. s.*.