Perhaps you should try some spelling variations:
information century » information centers, information centre, information center
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing a » developing _
century go » century gold, century _, century a
go mobile » so mobile, togo mobile, non mobile
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologien des information century go mobile communication cost 2.2 developing a africa.*.