filetype:env "db_password"
intitle: "webcamxp 5"
inurl: admin
insite:google.com inurl:admin
insite:google.com intext:admin
insite:google.com intitle:login
insite:google.com filetype:pdf
allinurl:tsweb/default.htm
intext:http | https intext:login | logon intext:password | passcode filetype:xls | filetype:xlxs
More on:
https://www.exploit-db.com/google-hacking-database