Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
technologies 2.1 » technologies _, technologies 4, technologies a
de communication » mobile communication, online communication
2.1 information » 3.1 information
a developing » a development
developing 4 » developing _, developing a, developing e
costs die » costs ii, costs iii, costs differ
4 access » 2 access, 3 access
costs a » costs _, costs 4
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information costs die de communication costs a developing 4 access.*.