Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologien aids » technologien als, technologien ad, technologien des
de communications » de communication, do communications, mce communications
aids information » chandos information, series information
information can » information case, information 1, information 1.2
3.3 developing » 4 developing, 2 developing, 1 developing
developing 1 » developing _, developing a, developing e
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
can debt » bank debt, card debt, loan debt
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 aids information can debt de communications costs 3.3 developing 1 areas.*.