Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
get communication » et communication, debt communication, de communication
technologies 4 » technologies _
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
4 information » 2 information, 1 information
developing em » developing e, developing eq, developing amp
contents a » contents 1, contents _, contents i
em africa » 1 africa
a get » _ get, a geo, i get

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 a get communication cost 2.4 developing em africa.*.