Perhaps you should try some spelling variations:
petriuuiov » peteriuuiov (Expand Search), petriiuuiov (Expand Search), petruiuuiov (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petruov (Expand Search)
petrui » peterui (Expand Search), petriui (Expand Search), petruui (Expand Search)
petriuo » peteriuo (Expand Search), petriiuo (Expand Search), petruiuo (Expand Search)
petroiuo » peteroiuo (Expand Search), petrioiuo (Expand Search), petruoiuo (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 (((petriuuiov OR petrov) OR petriuuiov) OR ((petrui OR (petriuo OR petroiuo)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop (((petriuuiov OR petrov) OR petriuuiov) OR ((petrui OR (petriuo OR petroiuo)) OR petr)) o.s.*".