Perhaps you should try some spelling variations:
technologies new » technologies _, technologies 4, technologies 2
development does » development data, development 1, development 1.1
new information » 2 information
3 communication » 4 communication, de communication, data communication
4 development » 2 development, 4 developing
does africa » zones africa, does america, dress africa
law debate » law debates, a debate, war debate
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: technologies new information law debate 3 communication costs 4 development does africa.*.