Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologien does » technologien des, technologien als, technologie de
de communications » de communication, do communications, mce communications
does information » des informations, dis information, users information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
information 1 » information 2, information 3, information 3.2
developing 2 » developing _, developing a, developing e
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
debt de » debt do, debt debt, debt gdp
2 areal » 2 real, _ areal, 2 areas
1 debt » 3 debt, 4 debt

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

• Adding a wildcard symbol may retrieve word variants: technologien does information 1 debt de communications costs 2.2 developing 2 areal.*.