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
fat communication » data communication, et communication, get communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
centers 3 » centers _, centers a, centers 3.3
3 fat » _ fat, 2 fat, 3 fet

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 3 fat communication cost 2.4 developing economies f430.*.