Did You Mean Suggestions Response Field
The didYouMeanSuggestions field will be populated if the query is eligible for did you mean suggestions, the primary query contains terms that drop the response document count below a certain threshold, and there are likely alternatives to the limiting terms. Each suggestion contains the following fields:
originalQuery - the query that would be replaced by applying the did you mean suggestion
suggestedQuery - the query that would replace the originalQuery if the suggestion was applied
newSearchCommand - a command that can be appended to the existing query string to apply the did you mean suggestion.
Example - A didYouMeanSuggestions element in XML format
Example - A didYouMeanSuggestions object in JSON format