Perhaps you should try some spelling variations:
petriuov » petrov (Expand Search), peteriuov (Expand Search), petriiuov (Expand Search), petruiuov (Expand Search)
petriuuuov » peteriuuuov (Expand Search), petriiuuuov (Expand Search), petruiuuuov (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petruou (Expand Search)
petruiio » peteruiio (Expand Search), petriuiio (Expand Search), petruuiio (Expand Search)
petruuo » peteruuo (Expand Search), petriuuo (Expand Search), petruuuo (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 ((petriuov OR petriuuuov) OR (((petrou OR (petruiio OR peterio)) OR petruuo) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriuov OR petriuuuov) OR (((petrou OR (petruiio OR peterio)) OR petruuo) OR petr)) o.s.*".