Perhaps you should try some spelling variations:
peteruio » peterdi (Expand Search)
petriiov » peteriiov (Expand Search), petriiiov (Expand Search), petruiiov (Expand Search)
petruiov » peteruiov (Expand Search), petriuiov (Expand Search), petruuiov (Expand Search)
petrov » peterov (Expand Search), petriov (Expand Search), petruov (Expand Search)
petriio » peteriio (Expand Search), petriiio (Expand Search), petruiio (Expand Search)
petruuuio » peteruuuio (Expand Search), petriuuuio (Expand Search), petruuuuio (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 ((petriiov OR (petruiov OR petrov)) OR ((petriio OR (peteruio OR petruuuio)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petriiov OR (petruiov OR petrov)) OR ((petriio OR (peteruio OR petruuuio)) OR petr)) o.s.*".