Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
4 communication » 3 communication, 5.4 communication, de communication
developing asia » development asia, developing a
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
centers does » century does, centers money, contexts does
asia africa » cpia africa, china africa
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
does 4 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologien does information centers does 4 communication costs 3.5 developing asia africa.*.