def find_columns(items_to_look_for, list_to_search_in):
    """Search entries of list items in a list, return indexes."""
    found_indexes = []  # to collect numbers of columns to remove
    for item_to_look_for in items_to_look_for:
        # search multiple entries
        for idx, item_to_search_in in enumerate(list_to_search_in):
            if item_to_look_for in item_to_search_in:
                found_indexes.append(idx)
    return set(found_indexes)