Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
mass communications » mass communication, data communications, crisis communications
technologies ids » technologies icts, technologies iv, technologies 3d
ids information » aids information, dis information, mis information
information 3.4 » information 3.2, information 2, information 1
developing east » development east, developing a, developing asia
4 developing » 3 developing
east africa » west africa
3.4 solar » 3.1 solar, 3.2 solar, 3.5 solar
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 ids information 3.4 solar mass communications costs 4 developing east africa.*.