Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petruuiov » peteruuiov (Expand Search), petriuuiov (Expand Search), petruuuiov (Expand Search)
petruoiov » peteruoiov (Expand Search), petriuoiov (Expand Search), petruuoiov (Expand Search)
petrouoiov » peterouoiov (Expand Search), petriouoiov (Expand Search), petruouoiov (Expand Search)
petruui » peteruui (Expand Search), petriuui (Expand Search), petruuui (Expand Search)
petriov » peteriov (Expand Search), petriiov (Expand Search), petruiov (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 petruuiov) OR (petruoiov OR petrouoiov)) OR ((petruui OR petriov) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((peteriov OR petruuiov) OR (petruoiov OR petrouoiov)) OR ((petruui OR petriov) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop (((peteriov OR petruuiov) OR (petruoiov OR petrouoiov)) OR ((petruui OR petriov) OR petr)) o.s.*.