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
information und » informations und
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
de oral » de otras, new oral
costs 4 » costs _, costs a, costs 4.2
2 areas » 1 areas, 2 areal, 4 areas
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 change information und de oral communication costs 4 developing 2 areas.*.