5. A collection search system responsive to a user query against a collection of documents to provide a search report, said collection search system comprising: a) a collection index including first predetermined single word and multiple word phrases as indexed terms occurring in said collection of documents, said collection index storing one-word and two-word indexes of the frequency of occurrence of search phrases; b) a linguistic parser that identifies a list of search terms from a user query, said linguistic parser identifying said list from second predetermined single words and multiple word phrases; and c) a search engine coupled to receive said list from said linguistic parser, said search engine intersecting said list with said collection index to identify a predetermined document from said collection of documents, said search engine including an accumulator for summing for said predetermined document a relevancy score related to the intersection of said predetermined document with said list.
5. A collection search system responsive to a user query against a collection of documents to provide a search report, said collection search system comprising: a) a collection index including first predetermined single word and multiple word phrases as indexed terms occurring in said collection of documents, said collection index storing one-word and two-word indexes of the frequency of occurrence of search phrases; b) a linguistic parser that identifies a list of search terms from a user query, said linguistic parser identifying said list from second predetermined single words and multiple word phrases; and c) a search engine coupled to receive said list from said linguistic parser, said search engine intersecting said list with said collection index to identify a predetermined document from said collection of documents, said search engine including an accumulator for summing for said predetermined document a relevancy score related to the intersection of said predetermined document with said list. 6. The search system of claim 5 wherein three-word and more phrases are inferred from said one-word and two-word indexes of the frequency of occurrence of search phrases.