Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
eu communication » ec communication, et communication, de communication
technologies 4 » technologies _
4 information » 2 information, 1 information
12 developing » 1.2 developing, 2 developing, 1 developing
contents how » content how, contents co, contents mot
developing a » developing _
a africa » 1 africa, can africa, em africa
cost 12 » cost 1.2, cost 15, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information contents how eu communication cost 12 developing a africa.*.