The keyword search finds documents containing matching keywords or keyword patterns.
Search results display a list of matching documents, with better matches shown first.
Each list item is a link to a matching document. The search field also allows Boolean queries. You can construct queries using the Boolean terms AND, OR, and NOT, you can group terms with parentheses, and you can search on word prefixes. If you don't use a boolean term, the search defaults to a logical or , and finds documents containing either the term 'water' or 'testing'. Using the logical or will produce the same results described above.