Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petruuv » peteruuv (Expand Search), petriuuv (Expand Search), petruuuv (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petruiuv (Expand Search)
petriiuv » peteriiuv (Expand Search), petriiiuv (Expand Search), petruiiuv (Expand Search)
petruuiiiuv » peteruuiiiuv (Expand Search), petriuuiiiuv (Expand Search), petruuuiiiuv (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 (petruuv OR (petriuv OR (petriiuv OR petruuiiiuv)))) OR (petero OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteriov OR (petruuv OR (petriuv OR (petriiuv OR petruuiiiuv)))) OR (petero OR petr)) o.s.*".