Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
developing change » developing changing, development change, developing china
technologien zur » technologien fur, technologien des, technologien und
et communication » et communicatione, get communication, debt communication
zur information » fur information, your information, der information
change africa » change asia
contents 8.3 » contents 2.3, contents 8.1, contents 3.1
4 developing » 3 developing
8.3 et » 8.3 ets
cost 4 » cost _, cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologien zur information contents 8.3 et communication cost 4 developing change africa.*.