Google Dorks/Keywords are useful for hacking

1. Web Search:
allinanchor:, allintext:, allintitle:, allinurl:, cache:, define:, filetype:, id:, inanchor:, info:, intext:, intitle:, inurl:, link:, phonebook:, related:, site:

2. Image Search
allintitle:, allinurl:, filetype:, inurl:, intitle:, site:

3. Groups
allintext:, allintitle:, author:, group:, insubject:, intext:, intitle:

4. Directory
allintext:, allintitle:, allinurl:, ext:, filetype:, intext:, intitle:, inurl:

5. News
allintext:, allintitle:, allinurl:, intext:, intitle:, inurl:, location:, source:

6. Product Search
allintext:, allintitle:

Reference: https://www.exploit-db.com/google-hacking-database/