How to get the keyword

How to get the keyword of the road, how to get the keyword of the road, such as google, how to know the keyword Ah, well, this problem is very good, I have never thought about it, I don't seem to be able to get it. after all, those are the data resources of search engines ~~, Baidu, get the wd string under HTTP_REFERER, and then how to get the keyword
How can I get the keyword of the road, such as google search, and how can I know the keyword?

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Well,
This is a good question. I never thought about it.
However, I cannot understand it. after all, those are the data resources of the search engine.
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Haha, I have not tried to wait ~~
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Baidu, get the wd string under HTTP_REFERER, and then get it in urldecode
Google, go to the q string under HTTP_REFERER, then urldecode can get

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Discussion
Baidu, get the wd string under HTTP_REFERER, and then get it in urldecode
Google, go to the q string under HTTP_REFERER, then urldecode can get


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I learned by passing ..
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It's easy to learn. it turns out to be so simple.
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Very good
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Learned
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Study