Perhaps you should try some spelling variations:
peterov » petrov (Expand Search)
petruv » petru (Expand Search), petrov (Expand Search), petriuv (Expand Search), petruuv (Expand Search), petrouv (Expand Search)
peteru » petru (Expand Search), peters (Expand Search)
petrouiiov » petriouiiov (Expand Search), petruouiiov (Expand Search), petroouiiov (Expand Search)
petruio » petriuio (Expand Search), petruuio (Expand Search), petrouio (Expand Search)
petr » petri (Expand Search), petru (Expand Search), petro (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 (((peterov OR petruv) OR petrouiiov) OR ((peteru OR petruio) OR (petr OR peter))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((peterov OR petruv) OR petrouiiov) OR ((peteru OR petruio) OR (petr OR peter))) o.s.*".