Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petroiuv » petrov (Expand Search), peteroiuv (Expand Search), petrioiuv (Expand Search), petruoiuv (Expand Search)
peru » petru (Expand Search), per (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petruiuv (Expand Search)
petriu » peteriu (Expand Search), petriiu (Expand Search), petruiu (Expand Search)
petroiu » peteroiu (Expand Search), petrioiu (Expand Search), petruoiu (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 (petriuv OR petroiuv)) OR (((petriu OR petroiu) OR peru) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteriov OR (petriuv OR petroiuv)) OR (((petriu OR petroiu) OR peru) OR petr)) o.s.*".