Take a look at two things:
1> the admin/analysis page. This is probably mostly a sanity check to
insure you're seeing what you expect.
2> add debug=query to the query and look at the parsed query. My bet
is that the grams are being OR'd together
     and your search term is effectively

fac OR ace

Best,
Erick

On Mon, Jul 2, 2018 at 8:01 AM, Kudrettin Güleryüz <kudret...@gmail.com> wrote:
> Hi,
>
> When using NgramTokenizerFactory with settings min ngram size=3 and max
> ngram size=3 I get the following behaviour.
>
> Assume that search term is, face
>
> I expect the results to show documents with strings:
> * interface or
> * face or
> * faceted
>
> but not
> * ace or
> * fac
>
> Why would I get the matches with results ace or fac? Am I missing some
> settings somewhere? What is the suggested way to change this this
> behaviour?
>
> Thank you,

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