Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
way communication » why communication, daily communication, data communication
aids information » chandos information, series information
developing em » developing e, developing eq, developing amp
2 developing » 3 developing, 4 developing, 2 development
contents 3 » contents 1, contents _, contents i
em africa » 1 africa
costs 2 » costs 20, costs _, costs 4
3 way » 3 ways, _ way, a way

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information contents 3 way communication costs 2 developing em africa.*.