Searching in 'SDL Knowledge Base'

I am having trouble finding the information I need when performing a simple search in Knowledge. Two examples

I want to find out about the minimum match value for multiterm terms -

Is this the right way to search? I have tried percentage match also.

The results shown seem to start with 'cumulative updates' and other results do not seem relevant to my question.

Another muliterm example: search depth

This is a term shown in Search settings, so you would expect it to return some information about multiterm.

Could someone please let me know whether I am searching the in right place? I would like to know the quickest way to retrieve information without necessarily having to watch a tutorial again!

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