def METHOD_NAME(text):
    """Replaces common symbols with spaces. Also normalize unicode strings in decomposed form."""
    result = text
    if isinstance(result, str):
        result = normalize('NFKD', result)
    result = re.sub(r'[ \(\)\-_\[\]\.]+', ' ', result).lower()
    # Leftovers
    result = re.sub(r"[^a-zA-Z0-9 ]", "", result)
    return result