Perhaps you should try some spelling variations:
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
3.4 developing » 13.4 developing, 3.3 developing, 3.2 developing
developing em » developing e, developing eq, developing amp
centers he » centers help, centers ihc, centers ohc
em africa » 1 africa
cost 3.4 » cost 2.4, cost 3.2, cost 3.5
he et » ne et, ho 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 he et communication cost 3.4 developing em africa.*.