次のページを参考にしました。
Python 今更ながらTweepyを使って、Twitterを操作する

search_word.py

# ! /usr/bin/python
#
#	search_word.py
#
#						Apr/26/2019
# ------------------------------------------------------------------
import  sys
import  tweepy
from key_tweepy import key_tweepy_proc

# ------------------------------------------------------------------
sys.stderr.write("*** 開始 ***\n")

api = key_tweepy_proc()

word = ["グリム童話"]
set_count = 10
results = api.search(q=word, count=set_count)

for result in results:
	username = result.user._json['screen_name']
	user_id = result.id
	print("ユーザーID："+str(user_id))
	user = result.user.name
	print("ユーザー名："+user)
	tweet = result.text
	print("ユーザーのコメント："+tweet)
#
sys.stderr.write("*** 終了 ***\n")
# ------------------------------------------------------------------

key_tweepy.py

#
#	key_tweepy.py
#
#					   Apr/26/2019
# ------------------------------------------------------------------
import  tweepy
import os
from dotenv import load_dotenv

# ------------------------------------------------------------------
def key_tweepy_proc():
	dotenv_path = '.env'
	load_dotenv(dotenv_path)
	consumer_key = os.environ.get("CONSUMER_KEY")
	consumer_secret = os.environ.get("CONSUMER_SECRET")
	access_token = os.environ.get("ACCESS_TOKEN")
	access_token_secret = os.environ.get("ACCESS_TOKEN_SECRET")
#
	auth = tweepy.OAuthHandler(consumer_key, consumer_secret)
	auth.set_access_token(access_token, access_token_secret)

	api = tweepy.API(auth)

	return api
#
# ------------------------------------------------------------------

.env

CONSUMER_KEY = '******'
CONSUMER_SECRET = '******'
ACCESS_TOKEN = '******'
ACCESS_TOKEN_SECRET = '******'