def get_hyphen_exp(text: str, nlp):
    """
    Returns a list of all hyphen expressions contained in the text
    :param text: string
    :param nlp: spacy language model
    :return: list of hyphen expressions contained in text
    """
    doc = nlp(text)
    token_list = [token.text for token in doc]

    hyphen_expressions = []
    for i in range(len(token_list)):
        if token_list[i] == '-':
            hyphen_expressions.append(token_list[i - 1] + token_list[i] + token_list[i + 1])
    return hyphen_expressions