Perhaps you should try some spelling variations:
oral communication » personal communication
ad transformative » a transformative, das transformative, und transformative
technologien ad » technologien am, technologien und, technologien als
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
de oral » de otras, new oral
costs 4 » costs _, costs a, costs 4.2
1 areas » 1 area, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien ad transformative _ de oral communication costs 4 developing 1 areas.*.