#community-help

Issue with Search Term Results in Typesense

TLDR Dipankar had issues with specific search terms returning unexpected results. Kishore Nallan clarified why this may occur and how to fine-tune the behavior using the 'drop_tokens_threshold' parameter in Typesense.

13mo

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Aug 25, 2022 (13 months ago)

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Dipankar

12:50 PM

I have few document their title is like this

30 best safari camps and lodges for unforgettable safaris
Night Safari
Tiger safari in Ranthambore National Park
Maharajas Express

If I search for Safari all these appears but if I search safari holiday only the last one appears "Maharajas Express" Why is this happening?

here is my search Client setting

  additionalSearchParameters: {
    query_by: "title,standfirst,catTags",
  }

Photo of md5-4e872368b2b2668460205b409e95c2ea

Kishore Nallan

01:17 PM

👋 Can you post the other fields of the Maharajas Express document?

Dipankar

04:29 PM

title: "Maharajas Express"

standfirst:"<p>Relive the era of the British Raj on this fabulously luxurious train – and discover the highlights of Rajasthan, from the Taj Mahal and the magnificent royal palaces, to tiger safaris at Ranthambore.</p>"

catTags:"Agra,Asia,Delhi,Golden Triangle,India,Jaipur,Rajasthan,Uttar Pradesh,Best things to do in Agra,Best things to do in Delhi,Best things to do in India,Best things to do in Jaipur,Bucket list experiences in India,Bucket list ideas,Great luxury train journeys,Travel bucket list,Unforgettable luxury train holidays"

Aug 27, 2022 (13 months ago)

Kishore Nallan

12:19 AM

By default Typesense returns document's that contains all tokens in the query. In this case his record has both tokens and so return that and stop there. If you want all tokens to be processed, take a look at the drop_tokens_threshold search parameter. It will allow you to fine tune this behavior.

Dipankar

06:39 AM

  additionalSearchParameters: {
    query_by: "title,standfirst,catTags",
    drop_tokens_threshold: 0,
  }

06:40

Dipankar

06:40 AM

I added drop_tokens_threshold to 0 but its doing nothing as far i can tell

Kishore Nallan

06:41 AM

Must be greater than 1. By setting it to zero you are effectively disabling it.

06:41

Kishore Nallan

06:41 AM

From the docs:

> If at least drop_tokens_threshold number of results are not found for a specific query, Typesense will attempt to drop tokens (words) in the query until enough results are found. Tokens that have the least individual hits are dropped first. Set drop_tokens_threshold to 0 to disable dropping of tokens.

Dipankar

06:43 AM

thank you.

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