How do subulime automatically find and prompt the word I want in opened files?

[linjuming]

How do subulime automatically find and prompt the word I want in opened files?
I want sublime help me type faster, but it can only find word in current file, not in all opened files.
Can Any setting or plugin do that ?

[kingkeith]

https://packagecontrol.io/packages/All%20Autocomplete

[linjuming]

thank you , that’s what I am looking for