Perhaps you should try some spelling variations:
information based » information case, information bank, transformation based
developing areas » developing asia, developing east, developing a
3 communication » 4 communication, de communication, data communication
technology 1 » technology _
based debate » based rebate, based debt, badger debate
4 developing » 3 developing
areas africa » arabs africa, dress africa, farmers africa
debate 3 » debate _, debate 4, debate a
costs 4 » costs _, costs a, costs 4.2

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 1 information based debate 3 communication costs 4 developing areas africa.*.