Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information based » information case, information bank, transformation based
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
developing 1 » developing _, developing a, developing e
based debt » based deep, based direct
debt do » debt gdp, debt how
1 area » 1 areas, 21 area, 3 area

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information based debt do communications costs 4.2 developing 1 area.*.