Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
do communications » 10 communications, 14 communications, 2 communications
information bank » information b, information 2, information 1
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing 4 » developing _, developing a, developing e
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
debt do » debt gdp, debt how
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information bank debt do communications costs 2.2 developing 4 areas.*.