Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing can » developing a, developing ai, developing av
centers word » centers hold, centers ohc
can africa » urban africa
costs 2.3 » costs 4.2, costs 4.4

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information centers word _ communication costs 2.3 developing can africa.*.