Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
do communication » do communications, de communication, ngo communication
technologien 1 » technologies 1, technologien _, technologien 4
13 developing » 1.3 developing, 3 developing, 1 developing
developing 1 » developing _, developing a, developing e
centers we » centers _, centers 10, centers 21
cost 13 » cost 12, cost 15, cost e3

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 information centers we do communication cost 13 developing 1 africa.*.