Perhaps you should try some spelling variations:
petriuuv » peteriuuv (Expand Search), petriiuuv (Expand Search), petruiuuv (Expand Search)
petroiuuv » peteroiuuv (Expand Search), petrioiuuv (Expand Search), petruoiuuv (Expand Search)
petruiiuuv » peteruiiuuv (Expand Search), petriuiiuuv (Expand Search), petruuiiuuv (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petruiuv (Expand Search)
petroi » peteroi (Expand Search), petrioi (Expand Search), petruoi (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 ((((petriuuv OR petroiuuv) OR petruiiuuv) OR petriuv) OR ((petroi OR petero) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((petriuuv OR petroiuuv) OR petruiiuuv) OR petriuv) OR ((petroi OR petero) OR petr)) o.s.*".