Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
communication cost » communication costs, communication costa, communications costs
set communication » et communication, get communication, debt communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
economics from » economics africa, economics france
4 development » 2 development, 4 developing
content 2 » content _, content 1, content 3
cost 4 » cost _, cost 2.4
2 set » _ set, a set

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

• Adding a wildcard symbol may retrieve word variants: technologien des information content 2 set communication cost 4 development economics from.*.