Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
de communication » mobile communication, online communication
technologien im » technologie im, technologien am, technologien _
im information » crm information, stm information, 2 information
3.3 developing » 4 developing, 2 developing, 1 developing
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
debt de » debt do, debt debt, debt gdp

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

• Adding a wildcard symbol may retrieve word variants: technologien im information costs debt de communication costs 3.3 developing _ area.*.