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
2.1 information » 3.1 information
11.3 developing » 1.3 developing, 10.3 developing, 11.5 developing
developing 1 » developing _, developing a, developing e
context how » content how, context has, context he
cost 11.3 » cost 11.5, cost 4.1.3, costs 11.1
how et » how etf, how eu, how best

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 how et communication cost 11.3 developing 1 africa.*.