Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
mce communications » face communications, voice communications, cell communications
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
centers pt » centers _, centers 10, centers 21
em africa » 1 africa
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 aids information centers pt mce communications costs 4 developing em africa.*.