Perhaps you should try some spelling variations:
communication coast » communication costs, communication case, communication costa
information context » information content, information contents, information centers
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
de communication » mobile communication, online communication
9.4 developing » 19.4 developing, 5.4 developing, 6.4 developing
context e » context eu, context 3, context 1
coast 9.4 » coast 12.4, coast u.s, coast 4
e de » et de, e die, e der

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information context e de communication coast 9.4 developing _ africa.*.