Perhaps you should try some spelling variations:
peteruiv » peterdi (Expand Search)
petruuuiv » peteruuuiv (Expand Search), petriuuuiv (Expand Search), petruuuuiv (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petruov (Expand Search)
petriiov » peteriiov (Expand Search), petriiiov (Expand Search), petruiiov (Expand Search)
petriiiov » peteriiiov (Expand Search), petriiiiov (Expand Search), petruiiiov (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 ((peteruiv OR petruuuiv) OR (((petero OR petrov) OR (petriiov OR petriiiov)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteruiv OR petruuuiv) OR (((petero OR petrov) OR (petriiov OR petriiiov)) OR petr)) o.s.*".