Perhaps you should try some spelling variations:
petriiv » peteriiv (Expand Search), petriiiv (Expand Search), petroiiv (Expand Search)
petroiiiv » peteroiiiv (Expand Search), petrioiiiv (Expand Search), petrooiiiv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petriu » peteriu (Expand Search), petriiu (Expand Search), petroiu (Expand Search)
petriiu » peteriiu (Expand Search), petriiiu (Expand Search), petroiiu (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 (((petriiv OR petroiiiv) OR periv) OR ((pero OR (petru OR (petriu OR petriiu))) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriiv OR petroiiiv) OR periv) OR ((pero OR (petru OR (petriu OR petriiu))) OR petr)) o.s.*".