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
developing rates » developing states, developing water, developing cities
2.1 information » 3.1 information
1 developing » 3 developing, 4 developing, 2 developing
rates africa » state africa
context 83 » context 8.3, context 3, context 8
cost 1 » cost 12, cost 15, cost _
83 de » 8.3 de, 3 de, 23 de

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 83 de communication cost 1 developing rates africa.*.