Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
de communication » mobile communication, online communication
technologien am » technologien im, technologien als, technologie im
developing asia » development asia, developing a
am information » guam information, palm information, crm information
when de » when do, when he, when does
areal. » areas., area., real.

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

• Adding a wildcard symbol may retrieve word variants: technologien am information costs when de communication costs _ developing asia areal.*.