The exploit of these tags on cybersecurity (what is called ‘Google Hacking’) is documented in Exploit database in the section Google Hacking Database (GHDB).
Google Advance Search Tags
[cache:]
[link:]
[related:]
[info:]
[site:]
[allintitle:]
[intitle:]
[allinurl:]
[inurl:]
[location:]
[filetype:]
References
“CEH Module 2, Footprint Using Advanced Google Hacking Techniques”, EC-Council
“Refine web searches“; Google