Search for information from a government or organization by using Google domain search. Enter your keywords and then add site:[url of website]
This can be useful also when looking for information from the military (.mil) or a state (Michigan is .michigan.gov) or a city (Detroit is .detroit.mi.gov)
The GAO is an independent, nonpartisan agency that works for Congress. Often called the "congressional watchdog," GAO investigates how the federal government spends taxpayer dollars.