No , you can enter one word from the actual string and the search would still work. The same applies for all the possible searches in Basic and Advanced Search. The basic search allows a user to search the database on a single search criteria. Brief description displays the Author name, Publications Year, and Title. The complete descritption in addition to the above fields also displays Format, Edition, Series, Note, Main Subject, Heading1, Publisher name in the search results.
Advanced search allows the user to search the database based on multiple criteria.