Although there are many search engines available, Google is the best known and one of the most accurate. Try the advanced search to really fine tune your results.
We all know there is a wealth of information available, especially on the Internet. But we don't always know where it comes from and whether or not it is worth trusting. It is important to be selective and to evaluate the information you find.
You can use the CRAAP Test linked above to help you decide whether or not you should use the information you find for ANY source, not just for the Internet. Check the Currency, Relevance, Authority, Accuracy, and Purpose.
We all know there is a wealth of information available on the Internet. The problem with searching for information on the Internet is that we don't always know where it comes from and whether or not it is authoritative. It is important to be selective and to evaluate the information you find online. Consider the source of the information.
Here is an excellent guide from UC-Berkeley that outlines the most important factors to evaluate:
Evaluating Web Pages: Techniques to Apply and Questions to Ask
.com - "commercial"
.org - "organization"
.net - "network"
.edu - "education"
.gov - "government" (US)
.mil - "military" (US)
.int - "intergovernmental"
Different countries have different extensions.