Perhaps you should try some spelling variations:
petriv » peteriv (Expand Search), petriiv (Expand Search), petruiv (Expand Search)
petruiv » peteruiv (Expand Search), petriuiv (Expand Search), petruuiv (Expand Search)
petriouiv » peteriouiv (Expand Search), petriiouiv (Expand Search), petruiouiv (Expand Search)
petroiiiv » peteroiiiv (Expand Search), petrioiiiv (Expand Search), petruoiiiv (Expand Search)
petriu » peteriu (Expand Search), petriiu (Expand Search), petruiu (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 ((peterov OR ((petriv OR (petruiv OR petriouiv)) OR petroiiiv)) OR (petriu OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peterov OR ((petriv OR (petruiv OR petriouiv)) OR petroiiiv)) OR (petriu OR petr)) o.s.*".