4. The computer implemented method of claim 3 , wherein the plurality of documents further includes: (iii) a third document having, inside the specified context, respective occurrences of the first and second search terms and, outside the specified context, an occurrence of the first search term and no occurrences of the second search term; (iv) a fourth document having, inside the specified context, an occurrence of the first search term and no occurrences of the second search term and, outside the specified context, respective occurrences of the first and second search terms.
4. The computer implemented method of claim 3 , wherein the plurality of documents further includes: (iii) a third document having, inside the specified context, respective occurrences of the first and second search terms and, outside the specified context, an occurrence of the first search term and no occurrences of the second search term; (iv) a fourth document having, inside the specified context, an occurrence of the first search term and no occurrences of the second search term and, outside the specified context, respective occurrences of the first and second search terms. 5. The computer implemented method of claim 4 , 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.