Perhaps you should try some spelling variations:
5.4 communication » de communication, data communication
information war » information what, information wants, information when
2.2 development » 3.2 development, 2.3 development, 4.2 development
technology 2 » technology _, technology 1, technology 3
war debate » a debate, war debt
debate 5.4 » debate 1.4, debate 2.4, debate 15.3
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
a african » _ african, 1 african, 2 african

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

• Adding a wildcard symbol may retrieve word variants: technology 2 information war debate 5.4 communication costs 2.2 development a african.*.