Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
get communication » et communication, debt communication, de communication
aids information » chandos information, series information
developing high » develop high, developing city, developing ict
3.3 developing » 4 developing, 2 developing, 1 developing
services we » services web, services when, services well
high africa » higher africa, rights africa, china africa
cost 3.3 » cost 3.2, cost 2.3, cost 3.4

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information services we get communication cost 3.3 developing high africa.*.