Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
do communications » 10 communications, 14 communications, 2 communications
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
information 2 » information 3
developing e » developing _, developing a, developing east
debt do » debt gdp, debt how
e areas » 1 areas, 2 areas, 4 areas
2 debt » 3 debt, 4 debt, 2.5 debt

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information 2 debt do communications costs 4.2 developing e areas.*.