Perhaps you should try some spelling variations:
technologien chandos » technological changes, technologies changing, technologies chapter
chandos information » change information
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
4 developing » 3 developing
developing a » developing _
centers 3rs » centers 3, centers 3.3, centers 3.8
a africa » 1 africa, can africa, em africa
cost 4 » cost _, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologien chandos information centers 3rs de communication cost 4 developing a africa.*.