Perhaps you should try some spelling variations:
peri » petri (Expand Search), per (Expand Search)
petriouuv » peteriouuv (Expand Search), petriiouuv (Expand Search), petruiouuv (Expand Search)
petriuuv » peteriuuv (Expand Search), petriiuuv (Expand Search), petruiuuv (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petruou (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petruui (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petru (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 (((petriouuv OR petriuuv) OR peteriuv) OR ((petrou OR (peri OR petrui)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriouuv OR petriuuv) OR peteriuv) OR ((petrou OR (peri OR petrui)) OR petr)) o.s.*".