Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
do communication » do communications, de communication, ngo communication
des information » des informations, does information, dis information
information can » information case, information 1, information 1.2
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing a » developing _
can debt » bank debt, card debt, loan debt
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
debt do » debt gdp, debt how
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 des information can debt do communication cost 2.2 developing a areas.*.