How does Google autocompletethis query?

i think i have

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• 

  

  i think i have

  10,000
• 

  

  i think i have

  9,000
• 

  

  i think i have

  8,000
• 

  

  i think i have

  7,000
• 

  

  i think i have

  6,000
• 

  

  i think i have

  5,000
• 

  

  i think i have

  4,000
• 

  

  i think i have

  3,000
• 

  

  i think i have

  2,000
• 

  

  i think i have

  1,000

GuessReveal