Using Fuzzy Query
To run a query using fuzzy query, this facility must be enabled and several conditions must be met as described in Enabling and Disabling Fuzzy Query.
In particular:
- The query must not use wildcards. 
- The query must specify values in fields designated as fuzzy query mandatory fields. For information about identifying the mandatory fields, see Identifying Mandatory Fields for Fuzzy Query. 
- The query must leave optional fields blank. 
If the conditions for fuzzy query are not satisfied, then any queries you make use standard query functionality.