Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
de communications » de communication, do communications, mce communications
technologien ids » technologien des, technologien als, technologien im
ids information » aids information, dis information, mis information
information can » information case, information 1, information 1.2
4 developing » 3 developing
can debt » bank debt, card debt, loan debt
debt de » debt do, debt debt, debt gdp
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien ids information can debt de communications costs 4 developing _ areas.*.