Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
developing africa's » developing asia's, development africans, developing areas
technologien ids » technologien des, technologien als, technologien im
1 communications » 10 communications, 14 communications, 1 communication
ids information » aids information, dis information, mis information
africa's asia » africa asia, africa's dis, africa's silk
4 developing » 3 developing
centers 3 » centers _, centers a, centers 3.3
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: technologien ids information centers 3 1 communications costs 4 developing africa's asia.*.