Google Hacking Database -GHDB.

Offensive Security Certified Professional (OSCP) video series by Ahmed:
- search engine [GHDB] intro
0:50 - link dork
1:27 - site dork
2:20 - intext dork
4:19 - cache dork
4:35 - filetype dork
6:40 - evil dork
6:50 - google hacking database
10:29 - FOCA search engine
15:53 - web archive
17:20 - wayback script