Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
information costs » information contents, information centers, information content
aids information » chandos information, series information
dr communication » de communication, csr communication, 3 communication
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
costs des » costs fees
costs 2.3 » costs 4.2, costs 4.4

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information costs des dr communication costs 2.3 developing _ areas.*.