The Search dialogue box, utilising words as Boolean connectors to trawl the database of issues of The Economist between 1991 and 1993, takes you almost instantly to all occurrences for broad definitions.
Not exact matches
Twitter is becoming the new Google
search, because you are able to find content, and valuable
dialogue on any topic by using the
search box on Twitter.
Note: Instead of
searching for particular dates of travel, you can also view a calendar of monthly fares by clicking the link under the flight
dialogue box.