Perhaps you should try some spelling variations:
technologien change » technological change, technology change, technological changes
change information » chandos information, trade information
oral communication » personal communication
developing a » developing _
model d » model du, modell d, model 1
a areas » 1 areas, 2 areas, 4 areas
d oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien change information model d oral communication costs _ developing a areas.*.