Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
communications costs » communication costs, communications _
technologien der » technologien des, technologie der, technologien fur
developing areas » developing asia, developing east, developing a
der information » insider information, sector information, labor information
information 3 » information 2
4 developing » 3 developing
areas areas » areas arenas, seas areas, areas access
a guinea » a guinean, _ guinea, aus guinea
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 der information 3 a guinea communications costs 4 developing areas areas.*.