Perhaps you should try some spelling variations:
informations centers » information centers, information center, information centre
communication cost » communication costs, communication costa, communications costs
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
de communication » mobile communication, online communication
developing 1 » developing _, developing a, developing e
centers me » centers _, centers 10, centers 21
me de » ame de, me die, mme de

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

• Adding a wildcard symbol may retrieve word variants: technologien als informations centers me de communication cost _ developing 1 africa.*.