Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information long » information along, information alone, information loss
de communication » mobile communication, online communication
technologien ct » technologien ist, technologien mit, technologie c
ct information » cost information, get information, iot information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing 1 » developing _, developing a, developing e
long debt » long des, looking debt
cost 3.2 » cost 2.4
debt de » debt do, debt debt, debt gdp
1 areas » 1 area, 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 ct information long debt de communication cost 3.2 developing 1 areas.*.