Perhaps you should try some spelling variations:
petruuiiv » peteruuiiv (Expand Search), petriuuiiv (Expand Search), petruuuiiv (Expand Search)
petrouiiv » peterouiiv (Expand Search), petriouiiv (Expand Search), petruouiiv (Expand Search)
petroi » peteroi (Expand Search), petrioi (Expand Search), petruoi (Expand Search)
petriv » peteriv (Expand Search), petriiv (Expand Search), petruiv (Expand Search)
petruio » peteruio (Expand Search), petriuio (Expand Search), petruuio (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 ((petruuiiv OR petrouiiv) OR (((petroi OR petriv) OR (petruio OR peteruuio)) OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruuiiv OR petrouiiv) OR (((petroi OR petriv) OR (petruio OR peteruuio)) OR petr)) o.s.*".