Searches of FOIA database require misspellings in order to “hide in plain sight” sensitive documents so the Govt can avoid turning them over when person requesting information used correct spellings. In this example Hillary Clinton when spelled Hillary Clinton produces a document of all 302 interview notes from the fbi server investigation!
https://vault.fbi.gov/hillary-r.-clinton/Hillary%20R.%20Clinton%20Part%2007%20of%2037/view
h/t Deplorableasfuk