The following notebook will explain how to get results using Mojeek Search. Please visit Mojeek Website to obtain an API key. 
from langchain_community.tools import MojeekSearch

api_key = "KEY"  # obtained from Mojeek Website

search = MojeekSearch.config(api_key=api_key, search_kwargs={"t": 10})
In search_kwargs you can add any search parameter that you can find on Mojeek Documentation 
search.run("mojeek")