Perhaps you should try some spelling variations:
petriuiiov » peteriuiiov (Expand Search), petriiuiiov (Expand Search), petruiuiiov (Expand Search)
petruuv » peteruuv (Expand Search), petriuuv (Expand Search), petruuuv (Expand Search)
petrv » peterv (Expand Search), petriv (Expand Search), petruv (Expand Search)
petruv » peteruv (Expand Search), petriuv (Expand Search), petruuv (Expand Search)
petriou » peteriou (Expand Search), petriiou (Expand Search), petruiou (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 ((((peterov OR petriuiiov) OR petruuv) OR (petrv OR petruv)) OR (petriou OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((peterov OR petriuiiov) OR petruuv) OR (petrv OR petruv)) OR (petriou OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((((peterov OR petriuiiov) OR petruuv) OR (petrv OR petruv)) OR (petriou OR petr)) o.s.*.