Perhaps you should try some spelling variations:
petriv » petris (Expand Search), peteriv (Expand Search), periv (Expand Search)
petruiv » peteruiv (Expand Search), peruiv (Expand Search), pentruiv (Expand Search)
petrov » peterov (Expand Search), perov (Expand Search)
petro » petero (Expand Search), pero (Expand Search)
petr » peter (Expand Search), per (Expand Search)
petru » peteru (Expand Search), peru (Expand Search), pentru (Expand Search)
petri » peteri (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 (((petriv OR petruiv) OR peteriv) OR ((petrov OR petro) OR ((petr OR petru) OR petri))) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriv OR petruiv) OR peteriv) OR ((petrov OR petro) OR ((petr OR petru) OR petri))) o.s.*".