Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petriiiiuov » peteriiiiuov (Expand Search), petriiiiiuov (Expand Search), petruiiiiuov (Expand Search)
petruv » peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petruiuv (Expand Search)
petriiuv » peteriiuv (Expand Search), petriiiuv (Expand Search), petruiiuv (Expand Search)
petriv » peteriv (Expand Search), petriiv (Expand Search), petruiv (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 ((((peteriov OR petriiiiuov) OR (petruv OR (petriuv OR petriiuv))) OR petriv) OR petr) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((peteriov OR petriiiiuov) OR (petruv OR (petriuv OR petriiuv))) OR petriv) OR petr) o.s.*".