Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien mit » technologies mimt, technologien im, technologien ist
do communication » do communications, de communication, ngo communication
mit information » might information, math information, ct information
information low » information flow, information law, information flows
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing a » developing _
cost 3.2 » cost 2.4
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 mit information low debt do communication cost 3.2 developing a areas.*.