Perhaps you should try some spelling variations:
petriiiov » peteriiiov (Expand Search), petriiiiov (Expand Search), petroiiiov (Expand Search)
petruuv » peteruuv (Expand Search), petriuuv (Expand Search), petrouuv (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petroiuv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petroov (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 (((petriiiov OR peterv) OR (petruuv OR petriuv)) OR ((petru OR petrov) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriiiov OR peterv) OR (petruuv OR petriuv)) OR ((petru OR petrov) OR petr)) o.s.*".