Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
information based » information case, information bank, transformation based
gdp communication » de communication, amp communication, up communication
aids information » chandos information, series information
4 developing » 3 developing
based debt » based deep, based direct
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 aids information based debt gdp communication costs 4 developing _ areas.*.