Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
developing can » developing a, developing ai, developing av
15 developing » 1 developing, 5 developing, 10 developing
context he » context has, context how, context 3
can africa » urban africa
cost 15 » cost 12, cost 5, cost 11.5
he de » e de, fe de, me de

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information context he de communication cost 15 developing can africa.*.