Perhaps you should try some spelling variations:
developing economies » development economics, developing countries, emerging economies
information centers » information contents, information officers
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
economies from » economics from, economies f430, economies f120
4 developing » 3 developing
centers 13 » centers 10, centers 3, centers 3.3
cost 4 » cost _, cost 2.4
13 et » 12 et

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

• Adding a wildcard symbol may retrieve word variants: technologien als information centers 13 et communication cost 4 developing economies from.*.