Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
cuba communications » rural communications, china communications, libya communications
technologien ids » technologien des, technologien als, technologien im
ids information » aids information, dis information, mis information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
centers 1.3 » centers 3.3, centers 4.3, centers 12.4
costs 2.4 » costs 12.4, costs 23.4, cost 2.4
1.3 cuba » 1.3 ca, u.s cuba

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 1.3 cuba communications costs 2.4 developing _ africa.*.