Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien fund » technologien und, technologie und, technologien fur
information costs » information contents, information centers, information content
fund information » road information
de communication » mobile communication, online communication
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing a » developing _
cost 3.2 » cost 2.4
debt de » debt do, debt debt, debt gdp
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien fund information costs debt de communication cost 3.2 developing a areas.*.