Now I feel like many doesn't work on Google
Sure, it’s true some of the operators come and go, but I assure you some of the most important ones still work fine and Google one a daily base asks me if I am a bot.
Happy to answer any questions if there’s something specific you’re having an issue with.
[nhs inurl:mcusercontent.com] = 2 hits.
[covid-19 nhs inurl:mcusercontent.com] = 90 hits.
[covid-19 "nhs" inurl:mcusercontent.com] = 90 hits.
I'd expect that first one to include all the second, but it doesn't. I thought maybe the second is ignoring the NHS word, so I wrap it in double quotes to force it to be included and it returns the same results.
(In fact, the article I linked to references this as a way to do quality assurance on Google’s indexing on content on your own domains.)
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Note that the sum of the counts for the following three queries:
[“aaa” AND “bbb” site:domain.com]
[“aaa” AND -“bbb” site:domain.com]
[-“aaa” AND “bbb” site:domain.com]
...in theory should equal count of this query:
[“aaa” OR “bbb” site:domain.com]
...in practice though, they never have; by never, since Google first released their search results.
——
Further, while counts frequently are over 1000, only the first 1000 search results are viewable, and vast majority of searches only pull the first 10 results and review an even smaller percentage of those 10 results.
