Perhaps you should try some spelling variations:
petriiov » petrov (Expand Search), peteriiov (Expand Search), petriiiov (Expand Search), petruiiov (Expand Search)
petruuov » petrov (Expand Search), peteruuov (Expand Search), petriuuov (Expand Search), petruuuov (Expand Search)
peteriiv » peterdi (Expand Search)
petriiiov » peteriiiov (Expand Search), petriiiiov (Expand Search), petruiiiov (Expand Search)
petruiuv » peteruiuv (Expand Search), petriuiuv (Expand Search), petruuiuv (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 (((((petriiov OR petriiiov) OR petruuov) OR (peteriiv OR petruiuv)) OR peteriiv) OR petr) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((((petriiov OR petriiiov) OR petruuov) OR (peteriiv OR petruiuv)) OR peteriiv) OR petr) o.s.*".