Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
gdp communications » do communications, egypt communications, guam communications
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
3.3 developing » 4 developing, 2 developing, 1 developing
information 2 » information 3
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
2 debt » 3 debt, 4 debt, 2.5 debt

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 2 debt gdp communications costs 3.3 developing _ area.*.