1. A method comprising: receiving at least one term for use in searching of information, the at least one term for use in determining documents relating to the at least one term; providing search results within a search result set, the search results including an indication of at least some of the documents relating to the at least one term, the search result set defining a resulting search space; and, providing at least one further term, the at least one further term provided for reducing the search result set, the at least one further term provided in dependence upon the at least one term and terms relating to documents within the search result set, the at least a further term relating to the resulting search space.