12. The computer program product of claim 11 , wherein the plurality of documents further includes: (v) a fifth document having, inside the specified context, no occurrences of any of the first and second search terms and, outside the specified context, respective occurrences of the first and second search terms; and (vi) a sixth document having, inside the specified context, an occurrence of the second search term and no occurrences of the first search term and, outside the specified context, an occurrence of the first search term and no occurrences of the second search term.
13. The computer program product of claim 12 , wherein the identified set of documents does not include the first document, does not include the second document, and does include the third, fourth, fifth, and sixth documents.