Hibernate full text search matching

how to find all mathing of 'query' I have users Alex, Andrei When i write query like 'A' and have result 0 records. If i want to find user with name Alex, i must to write query with Full name and right word case.

I want send query = 'e' end recive 2 reccords ;)

    Session s = session.getCurrentSession();

    FullTextSession fullTextSession = Search.getFullTextSession(s);

    QueryBuilder qb = fullTextSession.getSearchFactory()
            .buildQueryBuilder().forEntity(User.class).get();
    org.apache.lucene.search.Query q = qb
            .keyword().onFields("name")
            .matching(query)
            .createQuery();

    org.hibernate.Query hibQuery =
            fullTextSession.createFullTextQuery(q, User.class);

    List<User> results = hibQuery.list();