Perhaps you should try some spelling variations:
petru » pentru (Expand Search), petrou (Expand Search), peru (Expand Search)
petrou » petro (Expand Search), petrov (Expand Search), petrow (Expand Search), petroou (Expand Search), perou (Expand Search)
petr » petro (Expand Search), per (Expand Search)
petri » petroi (Expand Search), peri (Expand Search)
petroi » petrooi (Expand Search), peroi (Expand Search), petro (Expand Search), petrov (Expand Search), petrow (Expand Search)
petroov » petrooov (Expand Search), peroov (Expand Search), petrov (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 (((petru OR petrou) OR petr) OR ((petri OR (petroi OR petroov)) OR peter)) _. s.~".
• Adding a wildcard symbol may retrieve word variants: fop (((petru OR petrou) OR petr) OR ((petri OR (petroi OR petroov)) OR peter)) _. s.*.