Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
up communications » up communication, 10 communications, 14 communications
technologien dis » technologien des, technologien als, technologien im
information case » information based, information can, information costs
dis information » mis information, aids information, des informations
2.2 development » 3.2 development, 2.3 development, 4.2 development
case debt » rate debt, case des
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
debt up » debt gdp
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 dis information case debt up communications costs 2.2 development 1 area.*.