Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
et communication » et communicatione, get communication, debt communication
als information » als informations, aids information, laws information
developing use » developing e, developing ce, developing csi
15 developing » 1 developing, 5 developing, 10 developing
context 2.1 » context 1
cost 15 » cost 12, cost 5, cost 11.5
2.1 et » 2.1 eu, 2.1 el

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

• Adding a wildcard symbol may retrieve word variants: technologien als information context 2.1 et communication cost 15 developing use africa.*.