A search query including search criteria can be received. The search criteria can be a text string. An enhanced search against an enhanced index can be executed. The enhanced index can be metadata associated with an enhanced cluster. The enhanced cluster can be a document cluster associated with the metadata. The enhanced cluster can be aggregated into a merged document. The merged document can be a document including the enhanced cluster contents. The ranking algorithm can be executed on the merged document to obtain a final ranking of content within the single document.