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
ids information » aids information, dis information, mis information
3.3 developing » 4 developing, 2 developing, 1 developing
information 1 » information 2, information 3, information 3.2
developing a » developing _
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
debt do » debt gdp, debt how
a areas » 1 areas, 2 areas, 4 areas
1 debt » 3 debt, 4 debt

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

• Adding a wildcard symbol may retrieve word variants: technologien ids information 1 debt do communications costs 3.3 developing a areas.*.