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
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing can » developing a, developing ai, developing av
context 3.1 » context 2.1, context 1, context 1.3
can africa » urban africa
cost 2.3 » costs 2.3, cost 2.4, cost 2.2
3.1 de » 3.1 die, 3.1 der, 3.1 def

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 3.1 de communication cost 2.3 developing can africa.*.