How To Improve The Search Result Clustering

In the real world, the search is so large that we cannot enumerate the entire search engine. The digital world is so dynamic and disorganized that it has made it difficult to find an effective solution to ambiguous queries. The process of retrieval is affected by the ambiguous queries which average users type into the search engines. This is why they return too many results which can be manipulated by search engine black hat hackers. Problem: How a user can find an appropriate answer that is relevant to his/her query?