Perhaps you should try some spelling variations:
petru » pentru (Expand Search), peteru (Expand Search), petrou (Expand Search), peru (Expand Search)
petriuuv » peteriuuv (Expand Search), petroiuuv (Expand Search), periuuv (Expand Search)
petrouo » peterouo (Expand Search), petroouo (Expand Search), perouo (Expand Search)
petriio » peteriio (Expand Search), petroiio (Expand Search), periio (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 ((petru OR petriuuv) OR ((petrouo OR petriio) OR (petr OR petri))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petru OR petriuuv) OR ((petrouo OR petriio) OR (petr OR petri))) o.s.*".