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 4 » technologies _
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
4 information » 2 information, 1 information
developing a » developing _
context 3.1 » context 2.1, context 1, context 1.3
cost 3.2 » cost 2.4
a africa » 1 africa, can africa, em africa
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 4 information context 3.1 de communication cost 3.2 developing a africa.*.