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
et communication » et communicatione, get communication, debt communication
developing intra » developing data, developing ict, developing interbank
2.1 information » 3.1 information
12 developing » 1.2 developing, 2 developing, 1 developing
intra africa » intra african, internal africa, central africa
cost 12 » cost 1.2, cost 15, cost 3.2
3 et » 13 et, 3 fet, 3 set

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 3 et communication cost 12 developing intra africa.*.