Limiting the domain of the websites you're searching in Google is one of the quickest ways to narrow your results and find more credible resources quickly! URL domains can be clues to a site's reliability and ownership.
To find websites that are more revelant to your needs, use Google's Advanced Search. You can use the link below, or you can always just do a Google search for "Advanced Google Search" to see the options below.
Look at this scenario:
You are researching how stem cells from human embryos might help cure neurological diseases, especially Parkinson's disease
(Click on the image to enlarge)
When you use the form for the advanced search in Google, you can see how Google has taken what was put into the form above into a search for the following:
"neutral disease" OR "Parkinson's Disease" "human embryonic stem cells" -cloning site:gov
Source: "Smart Web Search Strategies - GRCC Holman Library" by Holman Library is licensed under CC BY-NC-ND 4.0Learn how to get the most out of your Google searches by using the "site:" search strategy.