Perhaps you should try some spelling variations:
petruuuuv » peteruuuuv (Expand Search), petriuuuuv (Expand Search), petrouuuuv (Expand Search)
petruov » peteruov (Expand Search), petriuov (Expand Search), petrouov (Expand Search)
petruuuov » peteruuuov (Expand Search), petriuuuov (Expand Search), petrouuuov (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petroi » peteroi (Expand Search), petrioi (Expand Search), petrooi (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (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 (((petruuuuv OR (petruov OR petruuuov)) OR peteriiov) OR ((petru OR petroi) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petruuuuv OR (petruov OR petruuuov)) OR peteriiov) OR ((petru OR petroi) OR petr)) o.s.*".