it is better to write a complete sentence.
it is better to use only one word.
it is better to use as many significant words as possible
a directory search like Yahoo
a meta search site like Dogpile
a single search engine like Google.
An article that only presents one point of view or omits facts is biased.
and, or, not
maybe, not
or, maybe, not
and, or, maybe
You check to see if the information is current
You check to see if the information is accurate
You confirm that the author or site an authority on the subject.
You check to see if the author has been objective
You do as many of the above as possible.
Better looking the web sites are more likely to have information that is correct.
keywords
important words
content words
Boolean words
With so much information on the Internet you are more likely to find what you need.