Perhaps you should try some spelling variations:
amp communication » up communication, data communication, de communication
information case » information based, information can, information costs
technologien 2 » technologies 2, technologien _, technologien 1
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
developing 3 » developing _, developing a, developing e
case debt » rate debt, case des
debt amp » debt a, debt gdp
3 area » 1 area, 1.3 area, 3.1 area

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information case debt amp communication costs 4.2 developing 3 area.*.