docs: def start_search(self, max_page=1):
          """method to start send query to google. Search start from page 1.
  
          max_page determine how many result expected
          hint: 10 result per page for google
          """
          for page in range(1, (max_page + 1)):
              start = "start={0}".format(str((page - 1) * 10))
              url = "{0}{1}&{2}".format(self.google, self.query, start)
              self._execute_search_request(url)
              self.current_page += 1