Perhaps you should try some spelling variations:
guinea communications » business communications, online communications, data communications
communications costs » communication costs, communications _
developing skills » developing states
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
information 3 » information 2
skills areas » skills across, skills create, skills afar
a guinea » a guinean, _ guinea, aus guinea

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 3 a guinea communications costs 4.2 developing skills areas.*.