Perhaps you should try some spelling variations:
technologien dis » technologien des, technologien als, technologien im
information case » information based, information can, information costs
de communication » mobile communication, online communication
dis information » mis information, aids information, des informations
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing a » developing _
case debt » rate debt, case des
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
debt de » debt do, debt debt, debt gdp
a area » a areas, 1 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 de communication costs 2.2 developing a area.*.