Perhaps you should try some spelling variations:
peteriov » petrov (Expand Search)
petruiiiov » peteruiiiov (Expand Search), petriuiiiov (Expand Search), petruuiiiov (Expand Search)
petruuiiov » peteruuiiov (Expand Search), petriuuiiov (Expand Search), petruuuiiov (Expand Search)
petriuiiov » peteriuiiov (Expand Search), petriiuiiov (Expand Search), petruiuiiov (Expand Search)
petriuio » peteriuio (Expand Search), petriiuio (Expand Search), petruiuio (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 ((peteriov OR (petruiiiov OR (petruuiiov OR petriuiiov))) OR (petriuio OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((peteriov OR (petruiiiov OR (petruuiiov OR petriuiiov))) OR (petriuio OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((peteriov OR (petruiiiov OR (petruuiiov OR petriuiiov))) OR (petriuio OR petr)) o.s.*.