XenForo Enhanced Search - advanced search for XenForo 2. XenForo Enhanced Search is designed to provide significantly better search performance and advanced parameters for your users. It is based on elasticsearch, which in turn is based on Lucene. This gives excellent performance, even with millions of pieces of content. Elasticsearch is capable of producing almost infinite scalability. In addition, you will receive a very small list of stop words and no minimum length of the word you are searching for, which will allow you to achieve more accurate results.