Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
do communications » 10 communications, 14 communications, 2 communications
technologien ids » technologien des, technologien als, technologien im
information case » information based, information can, information costs
ids information » aids information, dis information, mis information
3.2 development » 1 development, mena development
case debt » rate debt, case des
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
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 ids information case debt do communications costs 3.2 development a areas.*.