Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
debt communication » de communication, et communication, get communication
communication cost » communication costs, communication costa, communications costs
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
15 developing » 1 developing, 5 developing, 10 developing
developing ce » developing e, developing ict, developing cil
context 2.3 » context 2.1, context 1.3, context 3
ce africa » de africa, care africa, use africa
2.3 debt » 2.5 debt, 2.3 delta, 2.3 der
cost 15 » cost 12, cost 5, cost 11.5

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information context 2.3 debt communication cost 15 developing ce africa.*.