Perhaps you should try some spelling variations:
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (Expand Search)
petruiiov » peteruiiov (Expand Search), petriuiiov (Expand Search), petruuiiov (Expand Search)
petriiiiov » peteriiiiov (Expand Search), petriiiiiov (Expand Search), petruiiiiov (Expand Search)
petriiuiov » peteriiuiov (Expand Search), petriiiuiov (Expand Search), petruiiuiov (Expand Search)
petriiiuiov » peteriiiuiov (Expand Search), petriiiiuiov (Expand Search), petruiiiuiov (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 (petruiiov OR petriiiiov)) OR (petriiuiov OR petriiiuiov)) OR petr) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriov OR (petruiiov OR petriiiiov)) OR (petriiuiov OR petriiiuiov)) OR petr) o.s.*".