Perhaps you should try some spelling variations:
petru » pentru (Expand Search), petri (Expand Search), peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petriow » petrow (Expand Search), peteriow (Expand Search), petriiow (Expand Search), petroiow (Expand Search)
peterov » petrov (Expand Search), peterv (Expand Search), petersv (Expand Search)
petero » peter (Expand Search), peters (Expand Search), petro (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (Expand Search)
peteri » peterdi (Expand Search), peter (Expand Search), petri (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: fop (((petru OR ((petriow OR peterov) OR petero)) o) OR ((petr OR (peteri OR peteri)) _)). s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petru OR ((petriow OR peterov) OR petero)) o) OR ((petr OR (peteri OR peteri)) _)). s.".
• Adding a wildcard symbol may retrieve word variants: fop (((petru OR ((petriow OR peterov) OR petero)) o) OR ((petr OR (peteri OR peteri)) _)). s.*.