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Boolean Query
qksearch supports boolean
connectors to help form your search query more accurately. Usually there is
no need to use boolean query unless you are looking for something very specific
and rare. You can use the following boolean connectors:
Tip: better use our Advanced Search
interface for a quicker and easier way.
| + |
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using a + (plus sign) in front of a keyword (search word) tells qksearch
to make sure this word must be present in results.
Example: +football
(this will ensure that the word football must be present in results)
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| - |
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using a - (minus sign) in front of a keyword (search word) tells qksearch
that this word should not be present in results or be given negative priority.
Example: holiday -expensive
(this will ensure that the word expensive should not be present
in results when the word holiday should be present)
Example: +holiday -expensive
(this will ensure that the word expensive should not be present
in results when the word holiday must be present)
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| "" |
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using double quotes ( "" ) around a phrase (or word combination) tells qksearch
that this the phrase (or word combination) must be present in results as entered (case insensitive).
Example: "pc games"
(this will ensure that the word combination pc games
be present in results)
Example: "pc games" -new
(this will ensure that the word combination pc games
be present in results when the word new should not be present)
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| AND |
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using AND between keywords (search words) tells qksearch
to make sure that both words must be present in results. This AND connector is case
insensitive, so you can use either AND or and interchangeably.
Important: you must leave at least 1 space between the AND
connector and your keywords.
Example: cheap AND loan
this will ensure that both cheap and
loan must be present in results.
This is identical to:
+cheap +loan (less typing)
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| NOT |
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using NOT in front of a keyword (search word) tells qksearch
to make sure that both words should not be present in results. This NOT connector is case
insensitive, so you can use either NOT or not interchangeably.
Important: you must leave at least 1 space between the NOT
connector and your keywords. You should not use this connector in front of the first
keyword (search word); with in a multi-word query only.
Example: food NOT cuisine
this will ensure that both food be present in results but
the word cuisine should not be present in results.
This is identical to:
food -cuisine (less typing)
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| domain: |
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use this connector to restrict results within a specific domain (or site).
Example: xbox domain:microsoft.com
(this will try to find documents about xbox from microsoft.com site/s)
Example: java domain:sun.com
(this will try to find documents about java from sun.com site/s)
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Creating more complex boolean queries:
You can create complex boolean queries using all or any of the above mentioned
connectors. Here are some examples:
Example-1:
food "easy recipe" -chinese
this will try to find documents that contains the word food,
the phrase easy recipe but does not include the word
chinese.
Example-2:
"ps2 console" "special offer"
this will try to find documents that contains the phrases
ps2 console and special offer. If you are
really interested in special offer you could try:
"ps2 console" AND "special offer"
(the AND connector will try to make sure both phrases are given highest priority)
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