Perhaps you should try some spelling variations:
get communication » et communication, debt communication, de communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
13.2 developing » 3.2 developing, 1.2 developing, 12.2 developing
contents a » contents 1, contents _, contents i
costs 13.2 » costs 11.3.2, costs 3.3.2, costs 4.3.2
a get » _ get, a geo, i get

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

• Adding a wildcard symbol may retrieve word variants: technologien als information contents a get communication costs 13.2 developing _ africa.*.