I'm wondering why XF built in search, and even Elastic Search, search titles by the combination of "AND" instead of "OR". If I try to search right now a phrase based on titles only: "XCache PHP" (without the quotes) It would search XCache AND PHP --> Only if these two words are in the title, it would find the thread. However, on any other software that I've encountered so far, it searches with "OR", meaning if I search by titles only, it would search if the title has either XCache or PHP and would give me the output of any of them. Thus, I'm wondering why this is working like this since it's making the search engine really ineffective. (Not sure if this is the right place for this thread, but it does create a huge hassle with some search-based add-ons).