Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
information costs » information contents, information centers, information content
oil communication » oral communication, social communication, moral communication
aids information » chandos information, series information
development 2.3 » development 2.1, development 1
2.3 access » 5.3 access, 1.3 access, 2.4 access
costs des » costs fees
des oil » does oil, des oid, debt oil
costs a » costs _, costs 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 oil communication costs a development 2.3 access.*.