Perhaps you should try some spelling variations:
petruov » peteruov (Expand Search), petriuov (Expand Search), petruuov (Expand Search)
petriuv » peteriuv (Expand Search), petriiuv (Expand Search), petruiuv (Expand Search)
petriuiou » peteriuiou (Expand Search), petriiuiou (Expand Search), petruiuiou (Expand Search)
petriiou » peteriiou (Expand Search), petriiiou (Expand Search), petruiiou (Expand Search)
petriiiiou » peteriiiiou (Expand Search), petriiiiiou (Expand Search), petruiiiiou (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 (((peterov OR petruov) OR petriuv) OR ((petriuiou OR (petriiou OR petriiiiou)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((peterov OR petruov) OR petriuv) OR ((petriuiou OR (petriiou OR petriiiiou)) OR petr)) o.s.*".