Perhaps you should try some spelling variations:
petriiv » peteriiv (Expand Search), petriiiv (Expand Search), petruiiv (Expand Search)
petruiov » peteruiov (Expand Search), petriuiov (Expand Search), petruuiov (Expand Search)
petriiiov » peteriiiov (Expand Search), petriiiiov (Expand Search), petruiiiov (Expand Search)
petruiiiiov » peteruiiiiov (Expand Search), petriuiiiiov (Expand Search), petruuiiiiov (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petruov (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 (((petriiv OR petriiv) OR (petruiov OR (petriiiov OR petruiiiiov))) OR (petrov OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriiv OR petriiv) OR (petruiov OR (petriiiov OR petruiiiiov))) OR (petrov OR petr)) o.s.*".