Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
ets communication » nets communication, c's communication, lea's communication
developing change » developing changing, development change, developing china
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
13 developing » 1.3 developing, 3 developing, 1 developing
change africa » change asia
context 8.3 » context 1.3, context 2.3, context 4.3
8.3 ets » 8.3 egs
cost 13 » cost 12, cost 15, cost e3

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information context 8.3 ets communication cost 13 developing change africa.*.