Perhaps you should try some spelling variations:
petruuiiov » peteruuiiov (Expand Search), petruuuiiov (Expand Search), petrouuiiov (Expand Search)
petriuuiiov » peteriuuiiov (Expand Search), petruiuuiiov (Expand Search), petroiuuiiov (Expand Search)
petr » peter (Expand Search), petru (Expand Search), petro (Expand Search)
petriv » peteriv (Expand Search), petruiv (Expand Search), petroiv (Expand Search), petris (Expand Search), petrov (Expand Search)
petriuo » peteriuo (Expand Search), petruiuo (Expand Search), petroiuo (Expand Search)
petri » peteri (Expand Search), petrui (Expand Search), petroi (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 ((petruuiiov OR petriuuiiov) OR (((petr OR petriv) OR petriuo) OR petri)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((petruuiiov OR petriuuiiov) OR (((petr OR petriv) OR petriuo) OR petri)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((petruuiiov OR petriuuiiov) OR (((petr OR petriv) OR petriuo) OR petri)) o.s.*.