Perhaps you should try some spelling variations:
peteruiv » peterdi (Expand Search)
petriuiv » peteriuiv (Expand Search), petriiuiv (Expand Search), petruiuiv (Expand Search)
petruooiiv » peteruooiiv (Expand Search), petriuooiiv (Expand Search), petruuooiiv (Expand Search)
petruuuiiv » peteruuuiiv (Expand Search), petriuuuiiv (Expand Search), petruuuuiiv (Expand Search)
petruui » peteruui (Expand Search), petriuui (Expand Search), petruuui (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: fop (((petriuiv OR peteruiv) OR (petruooiiv OR petruuuiiv)) OR ((petruui OR peteroi) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriuiv OR peteruiv) OR (petruooiiv OR petruuuiiv)) OR ((petruui OR peteroi) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (((petriuiv OR peteruiv) OR (petruooiiv OR petruuuiiv)) OR ((petruui OR peteroi) OR petr)) o.s.*.