Perhaps you should try some spelling variations:
petroiv » petrov (Expand Search), petrooiv (Expand Search), peroiv (Expand Search)
petriu » petris (Expand Search), petroiu (Expand Search), periu (Expand Search)
petroiu » petrooiu (Expand Search), peroiu (Expand Search)
petrooio » petroooio (Expand Search), perooio (Expand Search)
petr » petro (Expand Search), per (Expand Search)
petru » petrou (Expand Search), peru (Expand Search), pentru (Expand Search)
petri » petroi (Expand Search), peri (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 (petroiv OR (((petriu OR petroiu) OR petrooio) OR ((petr OR peter) OR (petru OR petri)))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (petroiv OR (((petriu OR petroiu) OR petrooio) OR ((petr OR peter) OR (petru OR petri)))) o.s.*".