Perhaps you should try some spelling variations:
information centers » information contents, information officers
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
eu communication » ec communication, et communication, de communication
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing 1 » developing _, developing a, developing e
centers how » center how, centers hold, century how
cost 3.2 » cost 2.4

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information centers how eu communication cost 3.2 developing 1 africa.*.