Perhaps you should try some spelling variations:
petroouv » petrov (Expand Search), peteroouv (Expand Search), petrioouv (Expand Search), petruoouv (Expand Search)
petruuoov » peteruuoov (Expand Search), petriuuoov (Expand Search), petruuuoov (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petruiuv (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petruou (Expand Search)
petroou » peteroou (Expand Search), petrioou (Expand Search), petruoou (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 ((petruuoov OR (petriuv OR petroouv)) OR ((peteru OR (petrou OR petroou)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruuoov OR (petriuv OR petroouv)) OR ((peteru OR (petrou OR petroou)) OR petr)) o.s.*".