How to get link from Edu

Query to look for link from Education and Gov website from my Goog Friend and Hacker

site:.gov "keyword 1"
site:.edu inurl:blog "keyword 1"
site:.edu inurl:forum "keyword 1"
site:.gov inurl:blog "keyword 1"
site:.gov inurl:forum "keyword 1"
site:.edu inurl:blog “keyword?