Perhaps you should try some spelling variations:
pero » petro (Expand Search), per (Expand Search), pro (Expand Search)
petruiuv » pentruiuv (Expand Search), peteruiuv (Expand Search), petrouiuv (Expand Search), peruiuv (Expand Search)
petru » pentru (Expand Search), peteru (Expand Search), petrou (Expand Search), peru (Expand Search)
petrui » pentrui (Expand Search), peterui (Expand Search), petroui (Expand Search), perui (Expand Search)
petr » peter (Expand Search), petro (Expand Search), per (Expand Search)
petri » peteri (Expand Search), petroi (Expand Search), peri (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 ((peteruv OR petruiuv) OR ((((pero OR petru) OR petru) OR petrui) OR (petr OR petri))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteruv OR petruiuv) OR ((((pero OR petru) OR petru) OR petrui) OR (petr OR petri))) o.s.*".