Perhaps you should try some spelling variations:
peteriiv » peterdi (Expand Search)
periv » petriv (Expand Search), perv (Expand Search)
peri » petri (Expand Search), per (Expand Search)
petriuiv » peteriuiv (Expand Search), petriiuiv (Expand Search), petruiuiv (Expand Search)
petriuiiv » peteriuiiv (Expand Search), petriiuiiv (Expand Search), petruiuiiv (Expand Search)
petruiu » peteruiu (Expand Search), petriuiu (Expand Search), petruuiu (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 (((periv OR petriuiv) OR (peteriiv OR petriuiiv)) OR ((peri OR petruiu) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((periv OR petriuiv) OR (peteriiv OR petriuiiv)) OR ((peri OR petruiu) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (((periv OR petriuiv) OR (peteriiv OR petriuiiv)) OR ((peri OR petruiu) OR petr)) o.s.*.