Perhaps you should try some spelling variations:
peteriio » peterdi (Expand Search)
petruuuv » peteruuuv (Expand Search), petriuuuv (Expand Search), petruuuuv (Expand Search)
petriiiiuv » peteriiiiuv (Expand Search), petriiiiiuv (Expand Search), petruiiiiuv (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petruov (Expand Search)
petruov » peteruov (Expand Search), petriuov (Expand Search), petruuov (Expand Search)
petruo » peteruo (Expand Search), petriuo (Expand Search), petruuo (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 ((petruuuv OR petriiiiuv) OR ((((petrov OR petruov) OR petruo) OR peteriio) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruuuv OR petriiiiuv) OR ((((petrov OR petruov) OR petruo) OR peteriio) OR petr)) o.s.*".