LENGTH Command
Use the LENGTH command to search for documents that contain a particular number of words. This command is used in combination with the following symbols:
For example, this search finds documents that contain the name "Gore Vidal" and whose length is greater than 1000 words:
gore vidal AND LENGTH(>1000)
The following search finds documents relating to Tesco that contain exactly 230 words:
LENGTH(=230) AND tesco