Perhaps you should try some spelling variations:
seit communication » debt communication, et communication, get communication
technologien der » technologien des, technologie der, technologien fur
information open » information oder, information och, transformation open
der information » insider information, sector information, labor information
developing real » developing areas, developing a, developing east
open staaten » open state, der staaten, die staaten
staaten seit » staaten mit, staaten bei, staaten series
real effects » health effects, real effective, wealth effects

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

• Adding a wildcard symbol may retrieve word variants: technologien der information open staaten seit communication costs _ developing real effects.*.