The one I gave works on other search engines too. There’s also site:, which allows you to search within a specific site. E.g. searching for anarchism/marxism could be done by going for :

site:https://anarwiki.org/ council communism

You then get all pages from that site that mention council communism. Crucially, the site has to directly be after the : there. You can also use it for specific domains; for .org domains, you would then do

site:org anarchism

and so on.

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You can also combine them, like:

site:https://anarwiki.org/ filetype:pdf anarchism

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Another is apostrophes:

"word or phrase you search for"

If you do that, it will specifically only include results with those exact formulas, not something related to it. Again, also can be combined with the above.

–

Boolean strings (“yes/no”) are also options, if you want to exclude specific options. You then you do -keyword.

For example,

"anarchism" -AI

tells the search engine: only give pages with anarchism mentioned, and no pages that mention AI.

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Finally, there’s the wildcard, where you do # or ***** or ? depending on the search engine. You can do:

queer pride in *

Which basically says to the search engine, search for anything that is like “queer pride in” AND has some other term in there. It lets you search more broadly. This is the only one I don’t use often, because usually you need more specific information, but if you want to search further, that might be an option.