Perhaps you should try some spelling variations:
petru » pentru (Expand Search), petrou (Expand Search), peru (Expand Search)
petrio » petris (Expand Search), petro (Expand Search), petroio (Expand Search), perio (Expand Search)
petriu » petris (Expand Search), petroiu (Expand Search), periu (Expand Search)
petriiiv » petroiiiv (Expand Search), periiiv (Expand Search)
petri » petroi (Expand Search), peri (Expand Search)
petriio » petroiio (Expand Search), periio (Expand Search)
petr » petro (Expand Search), per (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 ((petriiiv OR petru) OR ((((petrio OR petri) OR petriio) OR petriu) OR (petr OR peter))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriiiv OR petru) OR ((((petrio OR petri) OR petriio) OR petriu) OR (petr OR peter))) o.s.*".