Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petriuov » petrov (Expand Search), peteriuov (Expand Search), petriiuov (Expand Search), petruiuov (Expand Search)
petruiuov » peteruiuov (Expand Search), petriuiuov (Expand Search), petruuiuov (Expand Search)
petriui » peteriui (Expand Search), petriiui (Expand Search), petruiui (Expand Search)
petriiu » peteriiu (Expand Search), petriiiu (Expand Search), petruiiu (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 (((peteriov OR peteriov) OR (petriuov OR petruiuov)) OR ((petriui OR petriiu) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((peteriov OR peteriov) OR (petriuov OR petruiuov)) OR ((petriui OR petriiu) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (((peteriov OR peteriov) OR (petriuov OR petruiuov)) OR ((petriui OR petriiu) OR petr)) o.s.*.