Perhaps you should try some spelling variations:
good communication » world communication, ihrd communication, based communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information und » informations und
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
costs 5.4 » costs 4.4, costs 6.4, costs 2.4
de good » do good, e good, does good
und de » und der, und des, und den

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information und de good communication costs 5.4 developing _ areas.*.