Perhaps you should try some spelling variations:
petruiuv » peteruiuv (Expand Search), petriuiuv (Expand Search), petruuiuv (Expand Search)
petrou » peterou (Expand Search), petriou (Expand Search), petruou (Expand Search)
petruuou » peteruuou (Expand Search), petriuuou (Expand Search), petruuuou (Expand Search)
petriou » peteriou (Expand Search), petriiou (Expand Search), petruiou (Expand Search)
petriuiou » peteriuiou (Expand Search), petriiuiou (Expand Search), petruiuiou (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 ((peteriuv OR petruiuv) OR (((petrou OR petruuou) OR (petriou OR petriuiou)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteriuv OR petruiuv) OR (((petrou OR petruuou) OR (petriou OR petriuiou)) OR petr)) o.s.*".