Perhaps you should try some spelling variations:
technologien road » technologien ad, technologien und, technologien am
information based » information case, information bank, transformation based
de communication » mobile communication, online communication
developing areas » developing asia, developing east, developing a
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
based und » based round, based na, based ndc
areas de » areas get, areas _, areas a
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 road information based und de communication costs 4.2 developing areas de.*.