Perhaps you should try some spelling variations:
peteruov » petrov (Expand Search)
petruuov » petrov (Expand Search), peteruuov (Expand Search), petriuuov (Expand Search), petrouuov (Expand Search)
peteriov » petrov (Expand Search)
petruuiv » peteruuiv (Expand Search), petriuuiv (Expand Search), petrouuiv (Expand Search)
petruiiov » peteruiiov (Expand Search), petriuiiov (Expand Search), petrouiiov (Expand Search)
petru » peteru (Expand Search), petriu (Expand Search), petrou (Expand Search)
petr » peter (Expand Search), petri (Expand Search), petro (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 ((((peteruov OR petruuov) OR petruuiv) OR (peteriov OR petruiiov)) OR (petru OR petr)) o.s.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fop ((((peteruov OR petruuov) OR petruuiv) OR (peteriov OR petruiiov)) OR (petru OR petr)) o.s.".
• Adding a wildcard symbol may retrieve word variants: fop ((((peteruov OR petruuov) OR petruuiv) OR (peteriov OR petruiiov)) OR (petru OR petr)) o.s.*.