Perhaps you should try some spelling variations:
peters » petersen (Expand Search)
pero » petro (Expand Search), per (Expand Search), pro (Expand Search)
petriuv » petriiuv (Expand Search), petroiuv (Expand Search), periuv (Expand Search)
petriiiuv » petriiiiuv (Expand Search), petroiiiuv (Expand Search), periiiuv (Expand Search)
petroiu » petrioiu (Expand Search), petrooiu (Expand Search), peroiu (Expand Search)
petr » petri (Expand Search), petro (Expand Search), per (Expand Search)
petru » petriu (Expand Search), petrou (Expand Search), peru (Expand Search), pentru (Expand Search), petri (Expand Search)

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 petriiiuv) OR (((peters OR pero) OR petroiu) OR ((petr OR petru) OR peter))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriuv OR petriiiuv) OR (((peters OR pero) OR petroiu) OR ((petr OR petru) OR peter))) o.s.*".