Perhaps you should try some spelling variations:
petruuov » petrov (Expand Search), peteruuov (Expand Search), petriuuov (Expand Search), petruuuov (Expand Search)
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (Expand Search)
petriuiov » peteriuiov (Expand Search), petriiuiov (Expand Search), petruiuiov (Expand Search)
petruuv » peteruuv (Expand Search), petriuuv (Expand Search), petruuuv (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petruiuv (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 (((((petriov OR petriuiov) OR petruuov) OR peterov) OR (petruuv OR petriuv)) OR petr) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((((petriov OR petriuiov) OR petruuov) OR peterov) OR (petruuv OR petriuv)) OR petr) o.s.*".