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
de communication » mobile communication, online communication
2.1 information » 3.1 information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing iv » developing av, developing ict, developing cil
context how » content how, context has, context he
iv africa » v africa, 1 africa, em africa
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
how de » how doe, how do, how ae

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 how de communication cost 2.2 developing iv africa.*.