Perhaps you should try some spelling variations:
developing across » developing cross, development across, developing areas
information case » information based, information can, information costs
4 communication » 3 communication, 5.4 communication, de communication
technology 1 » technology _
4 developing » 3 developing
case debate » care debate, class debate, false debate
debate 4 » debate _, debate 3, 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 case debate 4 communication costs 4 developing across africa.*.