The google search isn't working :(

custom_dork.py

import requests
from bs4 import BeautifulSoup
from fake_useragent import UserAgent

ua = UserAgent().random

def bing_search(string):
    urls = []
    payload = {
        'q': string
    }
    headers = {
        'User-agent': ua
    }
    req = requests.get( 'https://www.bing.com/search',payload, headers = headers )
    soup = BeautifulSoup( req.text, 'html.parser' )
    h3tags = soup.find_all( 'li', class_='b_algo' )
    for h3 in h3tags:
        try:
            urls.append(h3.find('a').attrs['href'])
        except:
            continue
    return urls


def google_search(string):
    urls = []
    payload = {'q':string, 'start':0}
    headers = {
        'User-agent': ua
    }
    req = requests.get( 'http://www.google.com/search',payload, headers = headers )
    soup = BeautifulSoup( req.text, 'html.parser' )
    h3tags = soup.findAll('cite',attrs={'class':'iUh30'})
    for h3 in h3tags:
        try:
            urls.append(h3.text)
        except:
            continue 
    return urls
    
search = int(input("Enter the search engine you wanna use (1 for Bing, 2 for Google): "))
if search == 1:
    print("The possible vulnerable sites: ")
    print(*bing_search("inurl:php?=id"), sep="\n")
if search == 2:
    print("The possible vulnerable sites: ")
    print(*google_search("inurl:php?=id"), sep="\n")