Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
technologies 2.1 » technologies _, technologies 4, technologies a
ec communication » de communication, 3 communication, 4 communication
2.1 information » 3.1 information
14 developing » 4 developing, 1 developing, 10 developing
developing iv » developing av, developing ict, developing cil
context he » context has, context how, context 3
iv africa » v africa, 1 africa, em africa
cost 14 » cost 4, cost 12, cost 15

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information context he ec communication cost 14 developing iv africa.*.