Perhaps you should try some spelling variations:
petroiov » petrov (Expand Search), peteroiov (Expand Search), petrioiov (Expand Search), petrooiov (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petrioiu » peterioiu (Expand Search), petriioiu (Expand Search), petroioiu (Expand Search)
petriou » peteriou (Expand Search), petriiou (Expand Search), petroiou (Expand Search)
petroou » peteroou (Expand Search), petrioou (Expand Search), petrooou (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (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 (petroiov OR (((petru OR petrioiu) OR (petriou OR petroou)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petroiov OR (((petru OR petrioiu) OR (petriou OR petroou)) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (petroiov OR (((petru OR petrioiu) OR (petriou OR petroou)) OR petr)) o.s.*.