This will create rss feeds with the full article. It can then be used in your aggregator/reader of choice to allow offline reading. I use it in combination with FreshRSS and Feeder on android.

https://github.com/...

Isn't that hard to determine without specifying which engines are used in your chosen instance? Searx/Searng has provided superior results for me using a combination of engines compared to anything provided by any of the alternatives by themselves.