Knowledge is of two kinds: we know a subject ourselves, or we know where we can find information upon it.
Search Help
The search utility uses four types of searches:
| Search type | Example | Finds items containing |
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| Phrase search | “computer games” | the phrase computer games |
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| AND search | +computer games | the words computer and maybe games |
| +computer +games | the words computer and games | |
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| OR search | computer games | the word computer or games |
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| NOT search | -computer games | the word games but not computer |
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| Note: Search operators (+ -) can be used in phrase searches, for example +“computer games”, and you can use any combination of search types and search operators together, for example +“computer games” -strategy. | ||
