Perhaps you should try some spelling variations:
petriuov » petrov (Expand Search), peteriuov (Expand Search), petriiuov (Expand Search), petruiuov (Expand Search)
peteriio » peterdi (Expand Search)
petruiuov » peteruiuov (Expand Search), petriuiuov (Expand Search), petruuiuov (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petruou (Expand Search)
petriiuuiu » peteriiuuiu (Expand Search), petriiiuuiu (Expand Search), petruiiuuiu (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 ((petriuov OR (petriuov OR petruiuov)) OR (((petrou OR peteriio) OR petriiuuiu) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriuov OR (petriuov OR petruiuov)) OR (((petrou OR peteriio) OR petriiuuiu) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petriuov OR (petriuov OR petruiuov)) OR (((petrou OR peteriio) OR petriiuuiu) OR petr)) o.s.*.