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