Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information center » information centers, information centre, information content
technologien als » technologien des, technologien fur, technologien und
et communication » et communicatione, get communication, debt communication
economics africa » economics china
als information » als informations, aids information, laws information
4 development » 2 development, 4 developing
center a » center _
cost 4 » cost _, cost 2.4
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: technologien als information center a et communication cost 4 development economics africa.*.