Perhaps you should try some spelling variations:
petruiivw » peteruiivw (Expand Search), petriuiivw (Expand Search), petruuiivw (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petruov (Expand Search), petro (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petruou (Expand Search), petru (Expand Search), petro (Expand Search), petrow (Expand Search)
petriou » peteriou (Expand Search), petriiou (Expand Search), petruiou (Expand Search)
peteroi » peterdi (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 ((petruiivw o) OR (((petr OR petrov) OR (peteroi OR (petrou OR petriou))) _)). s.~".
• Adding a wildcard symbol may retrieve word variants: fop ((petruiivw o) OR (((petr OR petrov) OR (peteroi OR (petrou OR petriou))) _)). s.*.