1. A method for use with a system storing digital media records, the system comprising a vocabulary file of words keyed to the digital media records, the method comprising the steps of: receiving a search query by computer from a user, the search query including words; logging the search query by computer, yielding a query log; processing the query log to identify words in the query log which are not words already included in the vocabulary file and which are not words which are variants of words already included in the vocabulary file, the processing performed by computer, said words defined as “not-found words;” adding the not-found words to the vocabulary file, and the not-found words to the digital media records.