About this parameter
A list of words for which you want to turn off typo tolerance.
Turning off typo tolerance also turns off splitting and concatenation on the specified words.
Set a list of words for which typo tolerance will be turned off (
1X2BCD in this example).
1 2 3 4 5 6 $index->setSettings([ 'disableTypoToleranceOnWords' => [ 'wheel', '1X2BCD' ] ]);