Perhaps you should try some spelling variations:
petroiu » petroviu (Expand Search), petriiu (Expand Search), peteroiu (Expand Search), petrioiu (Expand Search), peroiu (Expand Search)
petro » petrov (Expand Search), petri (Expand Search), petero (Expand Search), petrio (Expand Search), pero (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), periuv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), peru (Expand Search)
petrv » peterv (Expand Search), petriv (Expand Search), perv (Expand Search)
petr » peter (Expand Search), petri (Expand Search), per (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 ((petriuv OR peteriuv) OR ((petru OR petroiu) OR (petrv OR (petro OR petr)))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriuv OR peteriuv) OR ((petru OR petroiu) OR (petrv OR (petro OR petr)))) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petriuv OR peteriuv) OR ((petru OR petroiu) OR (petrv OR (petro OR petr)))) o.s.*.