Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
information centers » information contents, information officers
grey communication » de communication, why communication, way communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing iv » developing av, developing ict, developing cil
centers how » center how, centers hold, century how
costa 2.3 » costs 2.3, cost 2.3, costs 12.3
iv africa » v africa, 1 africa, em africa
how grey » how great, how green, how greed

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 how grey communication costa 2.3 developing iv africa.*.