Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petriouv » petrov (Expand Search), peteriouv (Expand Search), petriiouv (Expand Search), petroiouv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petrioiu » peterioiu (Expand Search), petriioiu (Expand Search), petroioiu (Expand Search)
petroov » peteroov (Expand Search), petrioov (Expand Search), petrooov (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 ((peteriov OR petriouv) OR ((petru OR petrioiu) OR (petroov OR petr))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteriov OR petriouv) OR ((petru OR petrioiu) OR (petroov OR petr))) o.s.*".