Perhaps you should try some spelling variations:
communications costa » communications costs, communication costa, communication costs
information costs » information contents, information centers, information content
do communications » 10 communications, 14 communications, 2 communications
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
3.3 developing » 4 developing, 2 developing, 1 developing
developing a » developing _
costa 3.3 » cost 3.2, costs 3.5, cost 2.3
debt do » debt gdp, debt how
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien als information costs debt do communications costa 3.3 developing a areas.*.