-(AlfrescoRequest *) searchWithKeywords:(NSString *)keywords
        options:(AlfrescoKeywordSearchOptions)options listingContext:(AlfrescoListingContext
        *)listingContext
        completionBlock:(AlfrescoPagingResultCompletionBlock)completionBlock - A space
      delimited list of keywords to search for. The options object defines the behavior of the
      search, for example, whether to limit the search to a specific folder. This method specifies a
      listing context.
    Parameters
- (NSString *) keywords
 - The space delimited list of keywords.
 - (AlfrescoKeywordsSearchOptions *) options
 - The search language to use.
 - (AlfrescoListingContext *) listingContext
 - The listing context with a paging definition that is used to retrieve the search results.
 - (AlfrescoPagingResultCompletionBlock) completionBlock
 - The block that is called with the search results on completion of the operation. The completion block has the format typedef void (^AlfrescoPagingResultCompletionBlock)(AlfrescoPagingResult *pagingResult, NSError *error).
 
Returns
(AlfrescoRequest *)
Example