Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
en communication » open communication, lean communication, when communication
developing east » development east, developing a, developing asia
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
east africa » west 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 aids information centers _ en communication costs 2.3 developing east africa.*.