Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petrouov » petrov (Expand Search), peterouov (Expand Search), petriouov (Expand Search), petroouov (Expand Search)
petriv » peteriv (Expand Search), petriiv (Expand Search), petroiv (Expand Search)
petriouiv » peteriouiv (Expand Search), petriiouiv (Expand Search), petroiouiv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (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 ((petriv OR petriouiv) OR (((petru OR peteru) OR (peteriov OR petrouov)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriv OR petriouiv) OR (((petru OR peteru) OR (peteriov OR petrouov)) OR petr)) o.s.*".