Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
mass communications » mass communication, data communications, crisis communications
information 3.3 » information 3.2, information 3.4, information 3.5
technologies 2 » technologies _, technologies 4
4 developing » 3 developing
developing a » developing _
3.3 solar » 2.3 solar, 3.1 solar, 3.2 solar
a africa » 1 africa, can africa, em africa
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 2 information 3.3 solar mass communications costs 4 developing a africa.*.