How can I include(or extend) Odoo core function from ListView (e.g. Instance.web.ListView.extend)

I'm trying to redefine one of default ListView functions, but it seems not working, and we aren't get into function body. Any advices?

instance.web.ListView.extend({
do_search: function (domain, context, group_by) {
    console.log("We need to go deeper") // We aren't get here
    this.current_min = 1;
    this.groups.datagroup = new DataGroup(
        this, this.model, domain, context, group_by);
    this.groups.datagroup.sort = this.dataset._sort;
     if (_.isEmpty(group_by) && !context['group_by_no_leaf']) {
      group_by = null;
}
     this.no_leaf = !!context['group_by_no_leaf'];

     this.grouped = !!group_by;

// Hide the pager in grouped mode
   if (this.pager && this.grouped) {
       this.pager.do_hide();
}
     this.grouped = false;
     return this.reload_content();
}
})();