Perhaps you should try some spelling variations:
petrioiv » petrov (Expand Search), peterioiv (Expand Search), petriioiv (Expand Search), petroioiv (Expand Search)
petriiiv » peteriiiv (Expand Search), petriiiiv (Expand Search), petroiiiv (Expand Search)
petriiiiv » peteriiiiv (Expand Search), petriiiiiv (Expand Search), petroiiiiv (Expand Search)
petriooiv » peteriooiv (Expand Search), petriiooiv (Expand Search), petroiooiv (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (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 (((petriiiv OR petriiiiv) OR (petrioiv OR petriooiv)) OR (petru OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriiiv OR petriiiiv) OR (petrioiv OR petriooiv)) OR (petru OR petr)) o.s.*".