Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
peteriio » peterdi (Expand Search)
peteruio » peterdi (Expand Search)
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (Expand Search)
petruiiio » peteruiiio (Expand Search), petriuiiio (Expand Search), petruuiiio (Expand Search)
petruuio » peteruuio (Expand Search), petriuuio (Expand Search), petruuuio (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 ((peteriov OR petriov) OR (((peteriio OR petruiiio) OR (peteruio OR petruuio)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteriov OR petriov) OR (((peteriio OR petruiiio) OR (peteruio OR petruuio)) OR petr)) o.s.*".