Perhaps you should try some spelling variations:
peterooi » peterdi (Expand Search)
petrouv » peterouv (Expand Search), petriouv (Expand Search), petruouv (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petruov (Expand Search)
petruuiiov » peteruuiiov (Expand Search), petriuuiiov (Expand Search), petruuuiiov (Expand Search)
petroui » peteroui (Expand Search), petrioui (Expand Search), petruoui (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 ((petrouv OR (petrov OR petruuiiov)) OR (((peteri OR peterooi) OR petroui) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petrouv OR (petrov OR petruuiiov)) OR (((peteri OR peterooi) OR petroui) OR petr)) o.s.*".