By default, a search will return articles containing each of the words you enter, in any order.

You may refine your search as follows:

• To search for an exact phrase, enclose it in quotes:

  Terms:	"megapixel camera"
  Result:	Articles containing the exact phrase megapixel camera.

• To exclude a term, put a hyphen in front of it:

  Terms:	-megapixel camera
  Result:	Articles containing the word camera and not containing the word megapixel.

• To search for one or more terms in a list, enclose the terms in brackets:

  Terms:	megapixel (camera encoder)
  Result:	Articles containing the word megapixel and the either the word camera or encoder or both.

You may combine search techniques. For example, the following search is valid:

Search terms shorter than two characters are ignored.