Perhaps you should try some spelling variations:
petriuiov » peteriuiov (Expand Search), petriiuiov (Expand Search), petruiuiov (Expand Search)
petruoiov » peteruoiov (Expand Search), petriuoiov (Expand Search), petruuoiov (Expand Search)
petrouoiov » peterouoiov (Expand Search), petriouoiov (Expand Search), petruouoiov (Expand Search)
petroi » peteroi (Expand Search), petrioi (Expand Search), petruoi (Expand Search)
petrooi » peterooi (Expand Search), petriooi (Expand Search), petruooi (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 ((petriuiov OR (petruoiov OR petrouoiov)) OR (((petroi OR petrooi) OR peterov) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriuiov OR (petruoiov OR petrouoiov)) OR (((petroi OR petrooi) OR peterov) OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petriuiov OR (petruoiov OR petrouoiov)) OR (((petroi OR petrooi) OR peterov) OR petr)) o.s.*.