Perhaps you should try some spelling variations:
information centers » information contents, information officers
debt communication » de communication, et communication, get communication
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
centers rate » centers case, centers rain, centers craig
developing 1 » developing _, developing a, developing e
rate debt » private debt
cost 5.4 » costs 5.4, cost 2.4, cost 3.4

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 rate debt communication cost 5.4 developing 1 africa.*.