Perhaps you should try some spelling variations:
petruv » peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petruiuv (Expand Search)
petruuio » peteruuio (Expand Search), petriuuio (Expand Search), petruuuio (Expand Search)
petriio » peteriio (Expand Search), petriiio (Expand Search), petruiio (Expand Search)
petruuiio » peteruuiio (Expand Search), petriuuiio (Expand Search), petruuuiio (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (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 ((petruv OR petriuv) OR ((petruuio OR ((petriio OR petruuiio) OR peterdi)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruv OR petriuv) OR ((petruuio OR ((petriio OR petruuiio) OR peterdi)) OR petr)) o.s.*".