Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
et communication » et communicatione, get communication, debt communication
developing city » developing cities, developing data, developing high
1.4 developing » 12.4 developing, 1.3 developing, 14 developing
context 2.3 » context 2.1, context 1.3, context 3
city africa » china africa, cults africa
cost 1.4 » cost 14.4, cost 2.4, cost 1.2
2.3 et » 2.3 ett, 2.3 el, 2.3 es

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information context 2.3 et communication cost 1.4 developing city africa.*.