Perhaps you should try some spelling variations:
developing country » developing countries
face communication » voice communication, de communication, time communication
information based » information case, information bank, transformation based
technologien d » technologien ad, technologien _, technologien 1
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
country access » counter access, countries access, country cross
d information » nd information, od information, und information
costs 2.3 » costs 4.2, costs 4.4
based i » based ict, based ilc, based imo
i face » ai face, _ face, a face

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

• Adding a wildcard symbol may retrieve word variants: technologien d information based i face communication costs 2.3 developing country access.*.