Wildcards are symbols used to allow for spelling variations and alternate word endings.
Different symbols are used by different search software programs.
-- part contents for card part 7
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Search Strategies: Proximity
-- part contents for card part 13
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Search Strategy: Compact AND Disc
-- part contents for card part 17
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ARTICLE # 1
A revolutionary new technology is COMPACT DISC Read Only Memory. It can store vast amounts of data.
-- part contents for card part 18
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ARTICLE # 2
COMPACT cars are selling very well in the U.S. Most of the small cars have power steering and DISC brakes.
-- part contents for card part 19
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Obviously, the article you want is Article # 1. To help eliminate unwanted articles, you can specify that the keywords be at different proximities. For example, you could specify that the words be ADJACENT; within a certain number of WORDS APART; in the same PARAGRAPH; or in the same ARTICLE.